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 A002612 M4836 N2067 #23 Oct 17 2023 07:18:10 %S A002612 1,12,48,16,-414,-960,672,4800,2721,-9064,-8880,6912,-2398,-13440, %T A002612 29280,30976,-10878,57228,-9360,-252384,-53760,177600,-113952,107520, %U A002612 436131,-16488,150624,96768,-915678,-585600,-32640,248832,710400,-466408 %N A002612 Glaisher's function U(n). %C A002612 It would be nice to have a q-series that generates this sequence. Glaisher gives many formulas but they are difficult to follow. %D A002612 J. W. L. Glaisher, On the representation of a number as sum of 18 squares, Quart. J. Math. 38 (1907), 289-351 (see p. 325). [The whole 1907 volume of The Quarterly Journal of Pure and Applied Mathematics, volume 38, is freely available from Google Books] %D A002612 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A002612 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A002612 Sean A. Irvine, <a href="/A002612/b002612.txt">Table of n, a(n) for n = 1..500</a> %H A002612 <a href="/index/Ge#Glaisher">Index entries for sequences mentioned by Glaisher</a> %F A002612 a(n) = A002609(n) + 32*A002611(n). - _Sean A. Irvine_, Mar 04 2019 %K A002612 sign %O A002612 1,2 %A A002612 _N. J. A. Sloane_ %E A002612 Edited and signs added by _N. J. A. Sloane_, Nov 26 2018 %E A002612 More terms from _Sean A. Irvine_, Mar 04 2019