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 A002614 M4459 N1890 #23 Oct 17 2023 07:19:41 %S A002614 0,-7,128,-975,4608,-16340,48384,-124303,281600,-583746,1146240, %T A002614 -2125108,3691008,-6151880,10055424,-15914895,24136704,-35748899, %U A002614 52583040,-75877938,105994240,-145580124,200279808,-272040500,359036928,-468767690,615599360 %N A002614 Glaisher's function theta(n) (18 squares version). %C A002614 It would be nice to have a q-series that generates this sequence. Glaisher gives many formulas but they are difficult to follow. %D A002614 J. W. L. Glaisher, On the representation of a number as sum of 18 squares, Quart. J. Math. 38 (1907), 289-351 (see p. 349). [The whole 1907 volume of The Quarterly Journal of Pure and Applied Mathematics, volume 38, is freely available from Google Books] %D A002614 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A002614 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A002614 Sean A. Irvine, <a href="/A002614/b002614.txt">Table of n, a(n) for n = 1..500</a> %H A002614 <a href="/index/Ge#Glaisher">Index entries for sequences mentioned by Glaisher</a> %F A002614 a(n) = (A321546(n) - A002288(n)) / 17. - _Sean A. Irvine_, Mar 04 2019 %Y A002614 Cf. A002288, A321546. %K A002614 sign %O A002614 1,2 %A A002614 _N. J. A. Sloane_ %E A002614 Edited and signs added by _N. J. A. Sloane_, Nov 26 2018 %E A002614 More terms from _Sean A. Irvine_, Mar 04 2019