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A165928 a(n) = 2^(n^2)*(2^(2n+1)/3 + 1/3). 2

%I

%S 1,6,176,22016,11206656,22917677056,187672890966016,

%T 6149102341220990976,805956695324444019654656,

%U 422551006026622876918350872576,886152419740143991345671872421298176

%N a(n) = 2^(n^2)*(2^(2n+1)/3 + 1/3).

%C Hankel transform of A086871.

%H G. C. Greubel, <a href="/A165928/b165928.txt">Table of n, a(n) for n = 0..50</a>

%t Table[2^(n^2)*(2^(2 n + 1)/3 + 1/3), {n, 0, 25}] (* _G. C. Greubel_, Apr 18 2016 *)

%K easy,nonn

%O 0,2

%A _Paul Barry_, Sep 30 2009

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Last modified October 21 19:29 EDT 2019. Contains 328315 sequences. (Running on oeis4.)