OFFSET
1,1
COMMENTS
For the precise definition of T(n,k) see Sharp (1973).
LINKS
H. Sharp, Jr., Enumeration of vacuously transitive relations, Discrete Math. 4 (1973), 185-196.
EXAMPLE
Triangle begins:
2;
3, 4;
4, 6, 14;
5, 8, 47, 32;
6, 10, 120, 192, 60;
...
CROSSREFS
KEYWORD
AUTHOR
N. J. A. Sloane, Oct 13 2021
STATUS
approved