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 A004477 #10 Oct 26 2023 00:21:17 %S A004477 0,12,4,8,13,1,9,5,6,10,2,14,11,7,15,3,192,204,196,200,205,193,201, %T A004477 197,198,202,194,206,203,199,207,195,64,76,68,72,77,65,73,69,70,74,66, %U A004477 78,75,71,79,67,128,140,132,136,141,129,137,133,134,138,130,142,139,135 %N A004477 Nim product 12 * n. %D A004477 J. H. Conway, On Numbers and Games. Academic Press, NY, 1976, pp. 51-53. %H A004477 <a href="/index/Ni#Nimmult">Index entries for sequences related to Nim-multiplication</a> %K A004477 nonn %O A004477 0,2 %A A004477 _N. J. A. Sloane_ %E A004477 More terms from _Erich Friedman_