cp's OEIS Frontend

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.

A135427 a(n) = 8^n * 9^(n^2).

This page as a plain text file.
%I A135427 #13 Sep 08 2022 08:45:32
%S A135427 1,72,419904,198359290368,7589970693537140736,
%T A135427 23524081260686625628823519232,
%U A135427 5905684770308534937017423724484399202304,120091666484242114100641836801136909254418910442160128
%N A135427 a(n) = 8^n * 9^(n^2).
%C A135427 Hankel transform of A132869.
%H A135427 Vincenzo Librandi, <a href="/A135427/b135427.txt">Table of n, a(n) for n = 0..30</a>
%F A135427 a(n) = 8^n*9^(n^2) = A001018(n)*A060761(n).
%t A135427 Table[8^n * 9^(n^2), {n,0,15}] (* _G. C. Greubel_, Oct 14 2016 *)
%o A135427 (Magma) [8^n*9^(n^2): n in [0..10]]; // _Vincenzo Librandi_, May 26 2011
%Y A135427 Cf. A001018, A060761, A132869.
%K A135427 nonn
%O A135427 0,2
%A A135427 _Philippe Deléham_, Dec 12 2007