A144352 Third column (m=3) of triangle A144351.

1, 1, 3, 9, 36, 166, 968, 6372, 49368, 429240, 4198176, 45268416, 535590144, 6879038400, 95412176640, 1419918128640, 22571960048640, 381596438638080, 6836248502784000, 129352329079142400, 2577689266340966400, 53957785094515814400, 1183674698660605132800

Offset

0,3

Links

Table of n, a(n) for n=0..22.

Formula

a(n) = A144351(n+3,3), n>=0.

Crossrefs

Cf. A144351, A000142 (column m=1). Column m=2 looks like A024419.

Sequence in context: A295739 A156016 A032314 * A107895 A343579 A237653

Adjacent sequences: A144349 A144350 A144351 * A144353 A144354 A144355

Keyword

nonn,easy

Author

Wolfdieter Lang, Oct 09 2008

Status

approved