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A256215
Triangle read by rows: T(n,k) = (n-1)!*n^(k-1)*binomial(n,k)/(k-1)!.
0
1, 2, 2, 6, 18, 9, 24, 144, 192, 64, 120, 1200, 3000, 2500, 625, 720, 10800, 43200, 64800, 38880, 7776, 5040, 105840, 617400, 1440600, 1512630, 705894, 117649
OFFSET
1,2
MATHEMATICA
Table[(n-1)! n^(k-1) Binomial[n, k]/(k-1)!, {n, 10}, {k, n}]//Flatten (* Harvey P. Dale, Apr 09 2023 *)
CROSSREFS
Row sums = A052885.
Sequence in context: A019575 A178882 A186195 * A253284 A176754 A365103
KEYWORD
nonn,tabl
AUTHOR
N. J. A. Sloane, Mar 26 2015
STATUS
approved