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A274304 A bisection of A002866. 1

%I #3 Jun 20 2016 13:23:14

%S 1,4,192,23040,5160960,1857945600,980995276800,714164561510400,

%T 685597979049984000,839171926357180416000,1275541328062914232320000,

%U 2357200374260265501327360000,5204698426366666226930810880000,13532215908553332190020108288000000

%N A bisection of A002866.

%Y Cf. A002671, A002866.

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Jun 20 2016

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)