OFFSET
0,8
LINKS
Andrew Gainer-Dewar, Gamma-Species and the Enumeration of k-Trees, Electronic Journal of Combinatorics, Volume 19 (2012), #P45.
EXAMPLE
Triangle begins:
0;
1, 0;
1, 1, 0;
1, 2, 1, 0;
1, 5, 2, 1, 0;
1, 12, 7, 2, 1, 0;
1, 30, 26, 7, 2, 1, 0;
1, 74, 110, 30, 7, 2, 1, 0;
1, 188, 481, 159, 30, 7, 2, 1, 0;
1, 478, 2209, 940, 168, 30, 7, 2, 1, 0;
1, 1235, 10379, 6093, 1104, 168, 30, 7, 2, 1, 0;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Andrew Howroyd, Mar 01 2024
STATUS
approved