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 A262537 #6 Oct 04 2015 20:31:28 %S A262537 1,1,9,49,57,2401,-9063,-153502,-755943,-767039,-40127031,-58813391, %T A262537 -1696965207,-4483997699,105920054242,-203398909151,555306094297, %U A262537 -2817291378419,5514657953337,442400619060589,-739096098204743,-69507309377825326,-90124818751960951 %N A262537 Bisection of A262310. %Y A262537 Cf. A262310, A262538. %K A262537 sign %O A262537 0,3 %A A262537 _N. J. A. Sloane_, Oct 04 2015