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 A135292 #7 Oct 09 2016 13:55:14
%S A135292 1,20,6400,32768000,2684354560000,3518437208883200000,
%T A135292 73786976294838206464000000,24758800785707605497982484480000000,
%U A135292 132922799578491587290380706028034457600000000
%N A135292 a(n) = 5^n * 4^(n^2).
%C A135292 Hankel transform of A130976 .
%H A135292 G. C. Greubel, <a href="/A135292/b135292.txt">Table of n, a(n) for n = 0..40</a>
%F A135292 a(n)=5^n*4^(n^2)=A000351(n)*A060757(n).
%t A135292 Table[5^n*4^(n^2), {n, 0, 10}] (* _G. C. Greubel_, Oct 09 2016 *)
%o A135292 (PARI) a(n)=5^n*4^(n^2) \\ _Charles R Greathouse IV_, Oct 09 2016
%K A135292 nonn,easy
%O A135292 0,2
%A A135292 _Philippe Deléham_, Dec 04 2007