OFFSET
2,2
LINKS
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.
EXAMPLE
Triangle begins:
1,
4,1,
13,5,1,
39,19,6,1,
112,64,26,7,1,
313,201,97,34,8,1,
859,603,331,139,43,9,1,
2328,1752,1064,512,191,53,10,1,
...
CROSSREFS
KEYWORD
AUTHOR
N. J. A. Sloane, Sep 18 2018
STATUS
approved