OFFSET
1,2
FORMULA
EXAMPLE
Triangle begins:
1;
2, 2;
9, 6, 9;
64, 36, 36, 64;
625, 320, 270, 320, 625;
7776, 3750, 2880, 2880, 3750, 7776;
117649, 54432, 39375, 35840, 39375, 54432, 117649;
2097152, 941192, 653184, 560000, 560000, 653184, 941192, 2097152;
...
MATHEMATICA
Table[n Binomial[n - 1, k - 1] k^(k - 2)*(n + 1 - k)^(n - 1 - k), {n, 9}, {k, n}] // Flatten (* Michael De Vlieger, Jan 22 2018 *)
CROSSREFS
KEYWORD
AUTHOR
Rui Duarte, Jan 22 2018
STATUS
approved