A151510 The triangle in A151338 read by rows upwards.

1, 1, 0, 1, 1, 0, 1, 3, 1, 0, 1, 6, 7, 1, 0, 1, 10, 25, 15, 1, 0, 1, 15, 65, 90, 31, 0, 0, 1, 21, 140, 350, 301, 56, 0, 0, 1, 28, 266, 1050, 1701, 938, 91, 0, 0, 1, 36, 462, 2646, 6951, 7686, 2737, 126, 0, 0, 1, 45, 750, 5880, 22827, 42315, 32725, 7455, 126, 0, 0

Offset

0,8

Comments

Columns 1-5 are A000012, A000217, A001296, A001297, and A001298. - Nathaniel Johnston, Apr 30 2011

Links

Table of n, a(n) for n=0..65.

Example

Triangle begins:
1
1 0
1 1  0
1 3  1   0
1 6  7   1    0
1 10 25  15   1    0
1 15 65  90   31   0   0
1 21 140 350  301  56  0  0
1 28 266 1050 1701 938 91 0 0
...

Crossrefs

Sequence in context: A144417 A085791 A144645 * A151512 A106800 A308484

Adjacent sequences: A151507 A151508 A151509 * A151511 A151512 A151513

Keyword

nonn,tabl,easy

Author

N. J. A. Sloane, May 14 2009

Extensions

Extended by Nathaniel Johnston, Apr 30 2011

Status

approved