A121404 A093483(n)-2.

0, 2, 6, 12, 36, 96, 342, 22266, 79806, 187122, 347976, 2171616, 4219797672, 98059918332

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Crossrefs

Sequence in context: A307015 A026549 A120766 * A202337 A189854 A189565

Adjacent sequences: A121401 A121402 A121403 * A121405 A121406 A121407

Keyword

nonn

Author

N. J. A. Sloane, Apr 21 2007

Status

approved