OFFSET
0,3
COMMENTS
This a weighted generalized Catalan sequence (A365673) with the heptagonal numbers as weights.
MAPLE
# Using function T from A366149.
a := n -> T(n, n): seq(a(n), n = 0..16);
MATHEMATICA
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Luschny, Oct 01 2023
STATUS
approved