OFFSET
0,2
COMMENTS
The square of the triangular matrix {binomial(n, k)^2}_{k=0..n} A008459 read by rows.
EXAMPLE
Triangle begins:
1
2 1
6 8 1
20 54 18 1
70 320 216 32 1
...
MATHEMATICA
T[ n_, k_] := Binomial[n, k]^2 Binomial[2 n - 2 k, n - k];
PROG
(PARI) {T(n, k) = binomial(n, k)^2 * binomial(2*(n-k), n-k)};
CROSSREFS
KEYWORD
AUTHOR
Michael Somos, Aug 25 2018
STATUS
approved