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 A004473 #14 Oct 26 2023 00:19:14 %S A004473 0,8,12,4,11,3,7,15,13,5,1,9,6,14,10,2,128,136,140,132,139,131,135, %T A004473 143,141,133,129,137,134,142,138,130,192,200,204,196,203,195,199,207, %U A004473 205,197,193,201,198,206,202,194,64,72,76,68,75,67,71,79,77,69,65,73,70,78 %N A004473 Nim product 8 * n. %D A004473 J. H. Conway, On Numbers and Games. Academic Press, NY, 1976, pp. 51-53. %H A004473 R. J. Mathar, <a href="/A004473/b004473.txt">Table of n, a(n) for n = 0..1000</a> %H A004473 <a href="/index/Ni#Nimmult">Index entries for sequences related to Nim-multiplication</a> %F A004473 a(n) = A051775(8,n). %K A004473 nonn %O A004473 0,2 %A A004473 _N. J. A. Sloane_ %E A004473 More terms from _Erich Friedman_