A202699 The second of a set of three triangles constructed by the same rule as A202692-A202694, but where the top entries in the three triangles are 0,1,0 respectively.

1, 0, 1, 3, 3, 2, 9, 12, 15, 17, 129, 120, 108, 93, 76

Offset

1,4

Links

Table of n, a(n) for n=1..15.

M. Josuat-Verges, J.-C. Novelli and J.-Y. Thibon, The algebraic combinatorics of snakes, arXiv preprint arXiv:1110.5272, 2011

Example

Triangle begins:
1
0 1
3 3 2
9 12 15 17
129 120 108 93 76
...

Crossrefs

See A202698 for further information.

Sequence in context: A100052 A128504 A193822 * A058137 A250304 A330307

Adjacent sequences: A202696 A202697 A202698 * A202700 A202701 A202702

Keyword

nonn,tabl,more

Author

N. J. A. Sloane, Dec 23 2011

Status

approved