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 A135320 #11 Sep 08 2022 08:45:32
%S A135320 1,72,331776,97844723712,1846757322198614016,
%T A135320 2230808147575757441788280832,172462464674787958108367218731066064896,
%U A135320 853310183691766528293183623126485287871181154680832
%N A135320 a(n) = 9^n * 8^(n^2).
%C A135320 Hankel transform of A130980 .
%H A135320 Vincenzo Librandi, <a href="/A135320/b135320.txt">Table of n, a(n) for n = 0..30</a>
%F A135320 a(n) = 9^n * 8^(n^2) = A001019(n) * A060760(n).
%t A135320 Table[9^n*8^(n^2), {n,0,10}] (* _G. C. Greubel_, Oct 09 2016 *)
%o A135320 (Magma) [9^n*8^(n^2): n in [0..10]]; // _Vincenzo Librandi_, May 31 2011
%o A135320 (PARI) a(n)=9^n*8^(n^2) \\ _Charles R Greathouse IV_, Oct 09 2016
%K A135320 nonn,easy
%O A135320 0,2
%A A135320 _Philippe Deléham_, Dec 06 2007
%E A135320 Corrected a(5), _Vincenzo Librandi_, May 31 2011