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 A361414 #36 Sep 16 2023 19:50:15 %S A361414 0,0,0,0,0,1,0,2,0,1,0,2,0,1,0,7,0,2,0,2,1,1,0,6,0,1,2,1,0,1,0,33,0,1, %T A361414 0,4,0,1,1,5,0,2,0,1,0,1,0,23,0,2,0,2,0,6,1,5,1,1,0,3,0,1,1,200,0,1,0, %U A361414 2,0,1,0,19,0,1,1,1,0,2,0,24,8,1,0,3,0 %N A361414 Number of non-abelian indecomposable groups of order n. %H A361414 Kevin Lamoreau, <a href="/A361414/b361414.txt">Table of n, a(n) for n = 1..2047</a> %F A361414 a(n) = A090751(n) - A069513(n). %e A361414 a(16) = 7 because 1 of the 8 indecomposable groups of order 16 is abelian and 2 of the 9 non-abelian groups of order 16 are decomposable, leaving 7 non-abelian indecomposable groups of order 16. %Y A361414 Cf. A090751, A060689, A069513. %K A361414 nonn %O A361414 1,8 %A A361414 _Kevin Lamoreau_, Mar 10 2023