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 A135425 #10 Oct 14 2016 04:09:40
%S A135425 1,42,86436,8716379112,43069878018202896,10428149586506991068675232,
%T A135425 123719154344427992379322114891976256,
%U A135425 71922158596935138096613542488243622890285377152
%N A135425 a(n) = 6^n * 7^(n^2).
%C A135425 Hankel transform of A132866.
%H A135425 G. C. Greubel, <a href="/A135425/b135425.txt">Table of n, a(n) for n = 0..25</a>
%F A135425 a(n) = 6^n*7^(n^2) = A000400(n)*A060759(n).
%t A135425 Table[6^n * 7^(n^2), {n, 0, 25}] (* _G. C. Greubel_, Oct 14 2016 *)
%Y A135425 Cf. A000400, A060759, A132866.
%K A135425 nonn
%O A135425 0,2
%A A135425 _Philippe Deléham_, Dec 12 2007