OFFSET
0,5
LINKS
T. D. Noe, Rows n = 0..100 of triangle, flattened
FORMULA
EXAMPLE
Triangle begins
1;
1, 1;
1, 2, 1;
1, 2, 2, 1;
1, 3, 4, 3, 1;
1, 2, 4, 4, 2, 1;
1, 4, 4, 6, 4, 4, 1;
...
MATHEMATICA
Flatten[Table[DivisorSigma[0, Binomial[n, k]], {n, 0, 12}, {k, 0, n}]] (* Stefano Spezia, Apr 07 2022 *)
PROG
(PARI) T(n, k) = if (n>=k, numdiv(binomial(n, k))); \\ Michel Marcus, Mar 07 2020
CROSSREFS
KEYWORD
AUTHOR
STATUS
approved