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 A096201 #13 Dec 17 2016 03:53:09 %S A096201 1,1,1,1,4,3,36,294,6857010 %N A096201 Number of Hadamard matrices of order 4n when a matrix and its transpose are considered equivalent. %C A096201 More precisely, number of inequivalent Hadamard matrices of order n if two matrices are considered equivalent if one can be obtained from the other by permuting rows, permuting columns, multiplying rows or columns by -1 and possibly transposing. %C A096201 Computed from the tables on the linked website. %H A096201 N. J. A. Sloane, <a href="http://neilsloane.com/hadamard/">Tables of Hadamard matrices</a> %H A096201 <a href="/index/Ha#Hadamard">Index entries for sequences related to Hadamard matrices</a> %Y A096201 Cf. A007299. %K A096201 nonn,hard,more,nice %O A096201 0,5 %A A096201 _Ian Wanless_, Jul 28 2004 %E A096201 a(8) from _Brendan McKay_, Feb 11 2012