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 A171863 #10 Sep 12 2019 14:59:32 %S A171863 0,1,2,3,7,10,12,22,30,35,41,48,49,53,74,77,81,127,161,205,251,349, %T A171863 379,560,604,725,726,820,1037,1095,1112,1145,1239,1594,1673,1908,2895, %U A171863 4391,4551,5342,5404,5410,8756,11054,12081,13923,16635,17598,18088,31960,38099 %N A171863 Numbers that take a record number of steps to appear in A181391. %C A171863 Records in A171862 (positions). %H A171863 Benjamin Chaffin, <a href="/A171863/b171863.txt">Table of n, a(n) for n = 1..215</a> %Y A171863 Cf. A181391, A171862, A171864. %K A171863 nonn %O A171863 1,3 %A A171863 _N. J. A. Sloane_, Oct 17 2010 %E A171863 a(34) onwards from _Benjamin Chaffin_, Sep 11 2019