SC: A_4(19,4;9)

Lower bounds

EF_Kurz2020_special ( ) : 1467749485360498225634923971135876693953433631137

two_pivot_block_construction ( ) : 1467233016300822815028029538272531565587680198656

LiuChangFeng2019_Theo_2_6 ( ) : 1462006579097779556645831475493466558309127421952

CKMP2019_Cor_45 (

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

) : 1461501758773679337245747096852270938358261219328

CKMP2019_Cor_42 ( (9, 10) ) : 1461501758773679337245745887926451323729086513152

CKMP2019_Lem_41 ( (9, 10) ) : 1461501758773679337245745887926451323729086513152

generalized_linkage ( 9,0 ) : 1461501758773679337245745887926451323729086513152

generalized_linkage_multipleblocks (

[9, 10],[0, 0]

) : 1461501758773679337245745887926451323729086513152

improved_linkage ( 9 ) : 1461501637416436451076521107307032829999723773293

multicomponent ( ) : 1461501637415973509935157388621430066187283464193

linkage_GLT ( 9 ) : 1461501637330902918203684832716283019655932542977

LMRD ( ) : 1461501637330902918203684832716283019655932542976

HKK_lemma_2_4_lower_bound ( ) : 91734343919302959649677635006626207429911002960

graham_sloane ( ) : 24291387778773301588924456932322615789898321

ChenHeWengXu2019_T31 ( ) : 22422187974949665202590928440952434659950591

sphere_covering ( ) : 18218627706984912430404285253392277166183748

trivial_1 ( ) : 0

Upper bounds

Ahlswede_Aydinian ( 1, 8 ) : 1591960769016920109217968018071128202218583902801

anticode ( ) : 1591960769016920109217968018071128202218583902801

ilp_1 ( 1 ) : 1591960769016920109217968018071128202218583902801

ilp_2 ( 8 ) : 1591960769016920109217968018071128202218583902801

improved_johnson ( ) : 1591960769016920109217968018071128202218583902801

johnson_1 ( ) : 1591960769016920109217968018071128202218583902801

linear_programming_bound ( ) : 1591960769016920109217968018071128202218583902801

singleton ( ) : 2122605755496989866141807971203282490337105187301

ilp_4 ( 17 ) : 6367774756458109579843282581458297074488242747731

johnson_2 ( ) : 6367774756458109579843282628685790032317832681811

ilp_3 ( 10 ) : 6367847630708318494006867331473463731206650091095

all_subs ( ) : 2225721943123325021617750304033262410650004373089980901

sphere_packing ( ) : 2225721943123325021617750304033262410650004373089980901

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Details for entry \(A_4(19,4;9)\)

Lower bounds

Upper bounds

Bound for codes containing the lifted MRD code

Do you have better bounds?