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 A231499 #19 Feb 14 2024 12:38:17 %S A231499 0,1,0,2,20,277,5776,188900,9980698,868571406,125895356788, %T A231499 30578409431921,12487049992168856,8588968244025278785, %U A231499 9960996172657038782698,19489102605171036723471036,64349079323905130216144033784,358611512621756217468022899213127 %N A231499 Dimensions of totally primitive elements of Hopf algebra ASM. %H A231499 Ludovic Schwob, <a href="/A231499/b231499.txt">Table of n, a(n) for n = 0..100</a> %H A231499 H. Cheballah, S. Giraudo, and R. Maurice, <a href="http://arxiv.org/abs/1306.6605">Combinatorial Hopf algebra structure on packed square matrices</a>, arXiv preprint arXiv:1306.6605 [math.CO], 2013-2015. %F A231499 G.f.: A(x) = 1/ASM(x) - 1/ASM(x)^2 where ASM(x) is the g.f. of A005130. - _Ludovic Schwob_, Feb 14 2024 %Y A231499 Cf. A005130. %K A231499 nonn %O A231499 0,4 %A A231499 _N. J. A. Sloane_, Nov 09 2013 %E A231499 More terms from _Ludovic Schwob_, Feb 14 2024