OFFSET
1,4
LINKS
Sergi Elizalde and Alejandro B. Galván, Triangular partitions: enumeration, structure, and generation, arXiv:2312.16353 [math.CO], (2023).
FORMULA
See the g.f. in Proposition 6.1. of Elizalde and Galván.
CROSSREFS
KEYWORD
nonn
AUTHOR
Alejandro B. Galván, Dec 29 2023
STATUS
approved