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 A004472 #14 Oct 26 2023 00:18:37 %S A004472 0,7,9,14,10,13,3,4,15,8,6,1,5,2,12,11,112,119,121,126,122,125,115, %T A004472 116,127,120,118,113,117,114,124,123,144,151,153,158,154,157,147,148, %U A004472 159,152,150,145,149,146,156,155,224,231,233,238,234,237,227,228,239,232 %N A004472 Nim product 7 * n. %D A004472 J. H. Conway, On Numbers and Games. Academic Press, NY, 1976, pp. 51-53. %H A004472 R. J. Mathar, <a href="/A004472/b004472.txt">Table of n, a(n) for n = 0..1000</a> %H A004472 <a href="/index/Ni#Nimmult">Index entries for sequences related to Nim-multiplication</a> %F A004472 a(n) = A051775(7,n). %K A004472 nonn %O A004472 0,2 %A A004472 _N. J. A. Sloane_ %E A004472 More terms from _Erich Friedman_