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 A002286 M4479 N1896 #20 Dec 26 2023 23:22:00 %S A002286 1,-8,10,80,-231,-248,1466,-80,-4766,1944,9600,-2704,-15525,-3984, %T A002286 25498,10816,-29760,800,1994,-11728,29362,-5560,-2310,-1952,21649, %U A002286 38128,-192854,-2480,233280,-20248,-10918,-18480,14660,-101768,-324480,137424 %N A002286 Bisection of A002470. %D A002286 J. W. L. Glaisher, On the representation of a number as a sum of 14 and 16 squares, Quart. J. Math. 38 (1907), 178-236 (see p. 190). %D A002286 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A002286 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A002286 <a href="/index/Ge#Glaisher">Index entries for sequences mentioned by Glaisher</a> %F A002286 a(n) = A002470(2n-1). - _Wesley Ivan Hurt_, Dec 26 2023 %Y A002286 Cf. A002470, A002287. %K A002286 sign %O A002286 1,2 %A A002286 _N. J. A. Sloane_ %E A002286 Entry revised by _N. J. A. Sloane_, Nov 26 2018