A133461 4^n*3^(n^2).

1, 12, 1296, 1259712, 11019960576, 867623536069632, 614787626176508399616, 3920680210114437604803919872, 225029902846690098194536797915119616, 116241593333982893165313951169026429498949632

Offset

0,2

Links

Table of n, a(n) for n=0..9.

Formula

Hankel transform of A039610.

a(n)=4^n*3^(n^2)=A000302(n)*A060722(n).

Crossrefs

Sequence in context: A209176 A351630 A137343 * A246981 A174745 A071309

Adjacent sequences: A133458 A133459 A133460 * A133462 A133463 A133464

Keyword

easy,nonn

Author

Philippe Deléham, Nov 28 2007

Status

approved