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 A223539 #25 Jul 07 2018 19:27:10 %S A223539 1,2,3,4,5,8,10,12,15,16,17,32,34,48,51,64,68,80,85,96,128,136,160, %T A223539 170,176,192,204,208,240,255,256,257,512,514,768,771,1024,1028,1280, %U A223539 1285,2048,2056,2560,2570,3072,3084,3840,3855,4096,4112,4352 %N A223539 List of entries in the compressed nim-multiplication table (A223537). %C A223539 List of entries in the compressed nim-multiplication table (A223537). %C A223539 The first 1, 3, 9, 30, 108, 402, 1548, 6072, 24048, ... entries are the distinct entries of A223537-submatrices of size 1, 2, 4, 8, 16, 32, 64, 128, 256, ... (A000079). %H A223539 Tilman Piesk, <a href="/A223539/b223539.txt">Table of n, a(n) for n = 1..6072</a> %H A223539 Tilman Piesk, <a href="/A223539/a223539_2.txt">Table of n, a(n) for n = 1..24048</a> %H A223539 Tilman Piesk, <a href="/A223539/a223539_1.txt">Detailed list, including the entries' positions in the matrix</a> %H A223539 Tilman Piesk, <a href="http://en.wikiversity.org/wiki/Walsh_permutation;_nimber_multiplication">Walsh permutation; nimber multiplication</a> (Wikiversity) %F A223539 A223537(m,n) = a(A223538(m,n)). %e A223539 Biggest entry of 8 X 8 submatrix of A223537 is A223537(7,7) = a(29) = 255. %e A223539 Biggest entry of 16 X 16 submatrix of A223537 is A223537(15,15) = a(107) = 65535. %Y A223539 Cf. A223537, A223538. %K A223539 nonn %O A223539 1,2 %A A223539 _Tilman Piesk_, Mar 21 2013