A133460 3^n*2^(n^2).

1, 6, 144, 13824, 5308416, 8153726976, 50096498540544, 1231171548132409344, 121029087867608368152576, 47590573814949492091483324416, 74853500292876717928978827574247424

Offset

0,2

Comments

Hankel transform of A089022.

Links

Table of n, a(n) for n=0..10.

Formula

a(n)=3^n*2^(n^2)=A000244(n)*A002416(n).

Mathematica

Table[3^n 2^n^2, {n, 0, 10}] (* Harvey P. Dale, Jul 28 2013 *)

Crossrefs

Sequence in context: A090443 A379452 A307416 * A166953 A280847 A041271

Adjacent sequences: A133457 A133458 A133459 * A133461 A133462 A133463

Keyword

easy,nonn

Author

Philippe Deléham, Nov 28 2007

Status

approved