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A135398 a(n) = 3^n * 4^(n^2). 1

%I #7 Oct 12 2016 15:17:49

%S 1,12,2304,7077888,347892350976,273593677362757632,

%T 3442605166011971360784384,693087965674784425268322477539328,

%U 2232592609368277258783200799359831235362816

%N a(n) = 3^n * 4^(n^2).

%C Hankel transform of A132863 .

%H G. C. Greubel, <a href="/A135398/b135398.txt">Table of n, a(n) for n = 0..25</a>

%F a(n) = 3^n*4^(n^2) = A000244(n)*A060757(n).

%t Table[3^n*4^(n^2), {n, 0, 10}] (* _G. C. Greubel_, Oct 12 2016 *)

%o (PARI) a(n)=3^n*4^n^2 \\ _Charles R Greathouse IV_, Oct 12 2016

%K nonn,easy

%O 0,2

%A _Philippe Deléham_, Dec 11 2007

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)