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 A078185 #7 Sep 08 2022 08:45:08
%S A078185 1,15,50625,38443359375,6568408355712890625,
%T A078185 252511682940423488616943359375,
%U A078185 2184164409074570299708284437656402587890625
%N A078185 Number of n X n matrices over an alphabet of size 15.
%C A078185 a(n) = k^(n^2) with k = 2, 3, 4, ... counts n X n matrices over an alphabet of size k.
%H A078185 Vincenzo Librandi, <a href="/A078185/b078185.txt">Table of n, a(n) for n = 0..25</a>
%F A078185 a(n) = 15^(n^2).
%t A078185 Table[15^(n^2), {n, 7}]
%o A078185 (Magma) [15^(n^2): n in [0..10]]; // _Vincenzo Librandi_, Jun 05 2011
%Y A078185 Cf. A076811.
%K A078185 nonn
%O A078185 0,2
%A A078185 Vincenzo Origlio (vincenzo.origlio(AT)itc.cnr.it), Nov 21 2002