A135397 a(n) = 2^n * 3^(n^2).

1, 6, 324, 157464, 688747536, 27113235502176, 9606056659007943744, 30630314141519043787530624, 879023057994883196072409366855936, 227034361980435338213503810877004745115136

Offset

0,2

Comments

Hankel transform of A110520.

Links

G. C. Greubel, Table of n, a(n) for n = 0..25

Formula

a(n) = 2^n * 3^(n^2) = A000079(n) * A060722(n).

Maple

A135397:=n->2^n*3^(n^2); seq(A135397(n), n=0..10); # Wesley Ivan Hurt, Nov 23 2013

Mathematica

Table[2^n*3^(n^2), {n, 0, 10}] (* Wesley Ivan Hurt, Nov 23 2013 *)

Prog

(PARI) a(n)=2^n*3^n^2 \\ Charles R Greathouse IV, Oct 12 2016

Crossrefs

Sequence in context: A233108 A207816 A204462 * A042421 A221884 A003742

Adjacent sequences: A135394 A135395 A135396 * A135398 A135399 A135400

Keyword

nonn,easy

Author

Philippe Deléham, Dec 11 2007

Status

approved