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 A246115 #6 May 02 2022 09:41:36 %S A246115 1,9,1701,10865205,3223155968811,49871029909245781491, %T A246115 43460016875695276108491159279, %U A246115 2254372634250117773973027448098778962279,7252372830439610560387220475713321003653570924839924,1493197587365241166689220567691206411606485768307602552950789523519 %N A246115 Number of inequivalent n X n matrices with entries from [9], where equivalence means permutations of rows or columns. %H A246115 Alois P. Heinz, <a href="/A246115/b246115.txt">Table of n, a(n) for n = 0..26</a> %H A246115 <a href="/index/Mat#inequiv">Index to number of inequivalent matrices modulo permutation of rows and columns</a> %Y A246115 Column k=9 of A246106. %K A246115 nonn %O A246115 0,2 %A A246115 _Alois P. Heinz_, Aug 14 2014