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 A141323 #9 Jun 21 2014 04:08:02 %S A141323 1,1,1,2,1,1,5,1,1,4,1,1,4,2,1,9,1,1,30,1,1,11,5,1,4,1,2,9,2,1 %N A141323 Number of groups of order L(n). %C A141323 This is to A140987 as Lucas numbers A000032 are to Fibonacci numbers A000045. %H A141323 <a href="http://www.gap-system.org/Packages/grpconst.html">GAP package GrpConst</a> %F A141323 a(n) = A000001(A000032(n)). %e A141323 a(6) = 5 because the Lucas number L(6) (starting at L(0) = 2) is 18 and there are 5 groups of order 18. %Y A141323 Cf. A000001, A000032, A000045, A140987. %K A141323 more,nonn %O A141323 0,4 %A A141323 _Jonathan Vos Post_, Aug 02 2008 %E A141323 a(16)-a(29) from _Eric M. Schmidt_, Jun 20 2014