Details for entry \(A_7(18,4;8)\)

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Lower bounds

EF_Kurz2020_special ( ) : 143564789890828673950879999130406072192091727223436678152394
JohnsonLB ( ) : 143564786332641161089756517140984122448495251479555508596649
LiuChangFeng2019_Theo_3_12 ( ) : 143563424422306484946770372351525623968635607102182419109094
construction_ST_B_recursive ( ) : 143563419691232957462860102908032188890771110979148690800890
LiuChangFeng2019_Theo_3_14 ( ) : 143563419691021281652461734890461714308265400378557205275278
construction_ST_B ( ) : 143563419691021281651567638449430253860871859710749120457566
two_pivot_block_construction ( ) : 143563394777205879472512522935107725775934172604791263330304
LiuChangFeng2019_Theo_2_6 ( ) : 143503631254761772065797411863151885301426061288975261783346
CKMP2019_Cor_45 (

(10,),(5,),(4,)

) : 143503602225449417120299047404754176740207873650151378658893
CKMP2019_Cor_42 ( (8, 10) ) : 143503602225449417120299047404375358047942208868468661032950
CKMP2019_Lem_41 ( (8, 10) ) : 143503602225449417120299047404375358047942208868468661032950
generalized_linkage ( 8,0 ) : 143503602225449417120299047404375358047942208868468661032950
generalized_linkage_multipleblocks (

[8, 10],[0, 0]

) : 143503602225449417120299047404375358047942208868468661032950
improved_linkage ( 8 ) : 143503601610080126502861504609864339659142667725039527198452
multicomponent ( ) : 143503601610080021899405508115114562011084629388351838236054
linkage_GLT ( 8 ) : 143503601609868434285603076356671071740077383739246072524150
LMRD ( ) : 143503601609868434285603076356671071740077383739246066639249
HKK_lemma_2_4_lower_bound ( ) : 418556238765870274400689654072267476205199636937132622763
ChenHeWengXu2019_T31 ( ) : 1220376068618670396109621566849279685580744516719747201
graham_sloane ( ) : 178488578433745869088635016758666983840843713555427426
sphere_covering ( ) : 152990237166357916159666658772579383164462404663154853
trivial_1 ( ) : 0

Upper bounds

Ahlswede_Aydinian ( 1, 7 ) : 146993019423401550356598736821284419679033514638806068682158
anticode ( ) : 146993019423401550356598736821284419679033514638806068682158
ilp_1 ( 1 ) : 146993019423401550356598736821284419679033514638806068682158
ilp_2 ( 7 ) : 146993019423401550356598736821284419679033514638806068682158
improved_johnson ( ) : 146993019423401550356598736821284419679033514638806068682158
johnson_1 ( ) : 146993019423401550356598736821284419679033514638806068682158
linear_programming_bound ( ) : 146993019423401550356598736821284419679033514638806068682158
singleton ( ) : 171491826159143031020360524101727238074282639984054670660600
ilp_4 ( 17 ) : 1028950986095849345512589880581242708933301028075876280005986
johnson_2 ( ) : 1028950986095849345512589880581242708933301028075876280005986
HKK_lemma_2_4_upper_bound ( ) : 1028951007951591012865851491648520893573129581970189497216214
ilp_3 ( 9 ) : 7202658126592634772822094721352678068455741606080004611164606
all_subs ( ) : 48442204698869551020727053080024292969884004201593285092853285278206
sphere_packing ( ) : 48442204698869551020727053080024292969884004201593285092853285278206

Bound for codes containing the lifted MRD code

(see EtzionSilberstein2012, Heinlein2018, and Kurz2019 for details)
143576479285862504177502078865588238417156481362110064108046

Do you have better bounds?

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