A134380 A007318 * A084938.

1, 1, 1, 1, 3, 1, 1, 8, 5, 1, 1, 24, 19, 7, 1, 1, 89, 71, 34, 9, 1, 1, 415, 290, 150, 53, 11, 1, 1, 2372, 1362, 672, 269, 76, 13, 1, 1, 16072, 7486, 3252, 1319, 436, 103, 15, 1, 1, 125673, 48054, 17618, 6671, 2331, 659, 134, 17, 1

Offset

0,5

Comments

Row sums = A134381: (1, 2, 5, 15, 52, 205, 921, ...), binomial transform of A051295.

Links

Table of n, a(n) for n=0..54.

Formula

Binomial transform of A084938, as infinite lower triangular matrices.

Example

First few rows of the triangle:
  1;
  1,   1;
  1,   3,   1;
  1,   8,   5,   1;
  1,  24,  19,   7,  1;
  1,  89,  71,  34,  9,  1;
  1, 415, 290, 150, 53, 11, 1;
  ...

Crossrefs

Cf. A084938, A051295, A134381.

Sequence in context: A287215 A168216 A091698 * A263859 A124469 A094816

Adjacent sequences: A134377 A134378 A134379 * A134381 A134382 A134383

Keyword

nonn,tabl

Author

Gary W. Adamson, Oct 22 2007

Status

approved