A134443 A007318^2 * A007248.

1, 22, 22, 92, 255, 538, 978, 1684, 3267, 8350, 25150, 72580, 178012, 334564

Offset

0,2

Links

Table of n, a(n) for n=0..13.

Formula

Second binomial transform of A007248.

Example

a(3) = 92 = (8, 12, 6, 1) dot (1, 20, -62, 216) = (8 + 240 - 372 + 216), where (8, 12, 6, 1) = row 3 of A007318^2 and A007248 = (1, 20, -62, 216, -641, ...).

Crossrefs

Cf. A007248.

Sequence in context: A040463 A022356 A094842 * A165843 A223821 A048429

Adjacent sequences: A134440 A134441 A134442 * A134444 A134445 A134446

Keyword

nonn

Author

Gary W. Adamson, Oct 25 2007

Status

approved