A319405 Column 3 of triangle A318945.

0, 0, 0, 0, 0, 1, 7, 34, 139, 512, 1757, 5727, 17952, 54577

Offset

0,7

Links

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

Czabarka, É., Flórez, R., Junes, L., & Ramírez, J. L., Enumerations of peaks and valleys on non-decreasing Dyck paths, Discrete Mathematics (2018), 341(10), 2789-2807.

Crossrefs

Cf. A318945.

Sequence in context: A036646 A000418 A055852 * A122611 A326245 A219756

Adjacent sequences: A319402 A319403 A319404 * A319406 A319407 A319408

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 18 2018

Status

approved