This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A249554 #41 May 13 2023 23:50:53 %S A249554 140,364,380,460,476,572,748,819,860,940,988,1036,1148,1180,1196,1276, %T A249554 1292,1340,1484,1564,1580,1612,1628,1660,1708,1804,1953,2044,2060, %U A249554 2108,2140,2204,2236,2332,2444,2492,2540,2668,2684,2716,2780,2812,2828,2924,3052,3068,3116,3196,3212 %N A249554 Numbers m such that there are precisely 11 groups of order m. %H A249554 Muniru A Asiru, <a href="/A249554/b249554.txt">Table of n, a(n) for n = 1..929</a> %H A249554 <a href="/index/Gre#groups">Index entries for sequences related to groups</a> %p A249554 with(GroupTheory): select(n->NumGroups(n)=11,[$1..4000]); # _Muniru A Asiru_, Mar 28 2018 %t A249554 Select[Range[10^4], FiniteGroupCount[#] == 11 &] (* A current limit in Mathematica is such that some orders >2047 may not be evaluated.*)(* _Robert Price_, May 24 2019 *) %o A249554 (GAP) A249554 := Filtered([1..2015], n -> NumberSmallGroups(n) = 11); # _Muniru A Asiru_, Oct 16 2017 %Y A249554 Cf. A000001. Cyclic numbers A003277. Numbers m such that there are precisely k groups of order m: A054395 (k=2), A055561 (k=3), A054396 (k=4), A054397 (k=5), A135850 (k=6), A249550 (k=7), A249551 (k=8), A249552 (k=9), A249553 (k=10), this sequence (k=11), A249555 (k=12), A292896 (k=13), A294155 (k=14), A294156 (k=15), A295161 (k=16), A294949 (k=17), A298909 (k=18), A298910 (k=19), A298911 (k=20). %K A249554 nonn %O A249554 1,1 %A A249554 _N. J. A. Sloane_, Nov 01 2014 %E A249554 More terms added by _Muniru A Asiru_, Oct 23 2017 %E A249554 Incorrect b-file shortened by _Andrew Howroyd_, Jan 28 2022