OFFSET
2,2
EXAMPLE
T(n,k) for n=2..7:
1;
4, 4;
10, 35, 10;
20, 165, 165, 20;
35, 560, 1330, 560, 35;
56, 1540, 7140, 7140, 1540, 56;
MAPLE
seq(print(n, seq((binomial(n, k)^3 - binomial(n, k))/6, k=1..n-1)), n=2..10);
CROSSREFS
KEYWORD
AUTHOR
Georg Fischer, May 23 2024
STATUS
approved