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 A274298 #5 Jul 13 2016 11:25:29 %S A274298 1,4,6,12,8,6,20,28,10,36,20,12,21,52,18,60,12,22,9,30,54,8,11,10,48, %T A274298 100,12,36,28,12,110,100,14,18,68,46,28,148,24,52,33,20,156,172,58, %U A274298 180,36,18,96,196,66,20,90,70,15,24,60,76,29,78,24,84,82,110,16,84,52,268,12,92,70,36,136,292,90 %N A274298 A bisection of A002326. %H A274298 Alois P. Heinz, <a href="/A274298/b274298.txt">Table of n, a(n) for n = 0..10000</a> %Y A274298 Cf. A002326. %K A274298 nonn %O A274298 0,2 %A A274298 _N. J. A. Sloane_, Jun 20 2016