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 A004475 #14 Oct 26 2023 00:20:38 %S A004475 0,10,15,5,3,9,12,6,1,11,14,4,2,8,13,7,160,170,175,165,163,169,172, %T A004475 166,161,171,174,164,162,168,173,167,240,250,255,245,243,249,252,246, %U A004475 241,251,254,244,242,248,253,247,80,90,95,85,83,89,92,86,81,91,94,84,82,88 %N A004475 Nim product 10 * n. %D A004475 J. H. Conway, On Numbers and Games. Academic Press, NY, 1976, pp. 51-53. %H A004475 R. J. Mathar, <a href="/A004475/b004475.txt">Table of n, a(n) for n = 0..1000</a> %H A004475 <a href="/index/Ni#Nimmult">Index entries for sequences related to Nim-multiplication</a> %F A004475 a(n) = A051775(10,n). %K A004475 nonn %O A004475 0,2 %A A004475 _N. J. A. Sloane_ %E A004475 More terms from _Erich Friedman_