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 A292135 #26 Feb 16 2025 08:33:51 %S A292135 1,-4,-4,-8,-8,-12,4,0,16,28,60,72,120,148,212,192,272,268,316,264, %T A292135 264,116,84,-176,-368,-788,-1140,-1848,-2168,-3164,-3884,-5040,-5920, %U A292135 -7412,-8308,-9960,-10872,-12540,-13276,-14768,-14752,-15620,-14644,-14120,-11304 %N A292135 G.f.: Re((2*i; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1). %H A292135 Seiichi Manyama, <a href="/A292135/b292135.txt">Table of n, a(n) for n = 0..10000</a> %H A292135 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/q-PochhammerSymbol.html">q-Pochhammer Symbol</a>. %F A292135 (2*i; x)_inf is the g.f. for a(n) + i*A292140(n). %Y A292135 Column k=2 of A292159. %Y A292135 Cf. A278399, A292140, A292142. %K A292135 sign %O A292135 0,2 %A A292135 _Seiichi Manyama_, Sep 09 2017