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 A370152 #11 Mar 03 2024 11:27:58 %S A370152 1,0,18,-19,185,-294,1463,-2715,9648,-19005,55413,-111069,284560, %T A370152 -568913,1331790,-2630648,5761619,-11195907,23296840,-44461191, %U A370152 88813155,-166422196,321471340,-591712017,1111195198,-2010602744,3685487712,-6561391792,11775930023,-20647946256,36371943075 %N A370152 Column 2 of triangle A370040. %C A370152 The g.f. of triangle A370040, F(x,y), satisfies Sum_{n=-oo..+oo} (-1)^n * (x^n + y*F(x,y))^n = 1 + (y+2)*Sum_{n>=1} (-1)^n * x^(n^2). %H A370152 Paul D. Hanna, <a href="/A370152/b370152.txt">Table of n, a(n) for n = 3..202</a> %F A370152 a(n) = A370040(n,2) for n >= 3. %Y A370152 Cf. A370040, A370150, A370151, A370152. %K A370152 sign %O A370152 3,3 %A A370152 _Paul D. Hanna_, Feb 10 2024