Details for entry \(A_9(18,4;7)\)

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Lower bounds

EF_Kurz2020_special ( ) : 955152483704134026531065483605449770742908421375268890568749019
EF_special ( ) : 955152483703990438603592115845721099567855543645243756034671222
JohnsonLB ( ) : 955152461513889434229509504394839080466665686428652524737582919
construction_ST_B_recursive ( ) : 955150553011888717175258579527287947138426218440798865311967690
construction_ST_B ( ) : 955150553011847474402458492883299732566152861270424091029615452
LiuChangFeng2019_Theo_3_14 ( ) : 955150553011847474402458483870883466445874381784416742078982572
LiuChangFeng2019_Theo_3_12 ( ) : 955150530823663650135124537790153890793069457201927568086937605
two_pivot_block_construction ( ) : 955150530819812503760699906658684438725843584600433065658941440
CKMP2019_Cor_45 (

(11,),(5,),(4,)

) : 955005177919034617303479428736464017946519264388774386563199196
CKMP2019_Cor_42 ( (7, 11) ) : 955005177919034617303479428736185889557075570877517100786967435
CKMP2019_Lem_41 ( (7, 11) ) : 955005177919034617303479428736185889557075570877517100786967435
generalized_linkage ( 7,0 ) : 955005177919034617303479428736185889557075570877517100786967435
generalized_linkage_multipleblocks (

[7, 11],[0, 0]

) : 955005177919034617303479428736185889557075570877517100786967435
LiuChangFeng2019_Theo_2_6 ( ) : 955004950800676844670950807915850310946964648833359863117061842
improved_linkage ( 7 ) : 955004950800207214870767331362016734101078998805683608667284835
multicomponent ( ) : 955004950800206628806725400632526795935463615911951788341774566
linkage_GLT ( 7 ) : 955004950796825236893190701774414011919935248410500337405505675
LMRD ( ) : 955004950796825236893190701774414011919935138974343129836853841
ChenHeWengXu2019_T31 ( ) : 1310247630847000762679935057484379711104568199491856838028089
HKK_lemma_2_4_lower_bound ( ) : 16175896676895505787287245093478126700452215734377069262517
graham_sloane ( ) : 1822284614751523407499502801942003204332031987427203025256
sphere_covering ( ) : 1619808885159214694866254629985172668827445670589158248551
trivial_1 ( ) : 0

Upper bounds

Ahlswede_Aydinian ( 0, 17, o ) : 968436757704708895038617281273826579399327343074561847336651269
improved_johnson ( ) : 968436757704708895038617281273826579399334236485289514875132003
ilp_1 ( 1 ) : 968436757704708895038617281273826579399334236485289514875132039
johnson_1 ( ) : 968436757704708895038617281273826579399334236485289514875132039
anticode ( ) : 968436757951593294748644224470796025353998069504618815300565564
ilp_2 ( 6 ) : 968436757951593294748644224470796025353998069504618815300565564
linear_programming_bound ( ) : 968436757951593294748644224470796025353998069504618815300565564
singleton ( ) : 1089491124906108051165135239699867397777196296355089299912829976
ilp_4 ( 17 ) : 8715930821811224052448688316634358904958108280236000985210118789
johnson_2 ( ) : 8715930821811224052448688316634358904958108280236000985210118789
HKK_lemma_2_4_upper_bound ( ) : 705990412944773721082931925606297309675926277013038431072165994225
ilp_3 ( 8 ) : 6353913716502963489746387330456675787083336493117345879649493948026
all_subs ( ) : 34189393082307806064166950803214499342169500335625539403053183015296221840
sphere_packing ( ) : 34189393082307806064166950803214499342169500335625539403053183015296221840

Bound for codes containing the lifted MRD code

(see EtzionSilberstein2012, Heinlein2018, and Kurz2019 for details)
955173053002676050719264605971313705794413842686801407377072446

Do you have better bounds?

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