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A334519
Triangle read by rows: T(n,k) (1<=k<=n) = number of n X k whirlpool permutations (see A334518).
4
1, 2, 8, 6, 84, 5904, 24, 1632, 1064304, 2456909824, 120, 51040, 402671760, 15584878111040, 2179875344187129600, 720, 2340480, 273315542400, 217353588326290944, 823110394280028294344640
OFFSET
1,2
LINKS
EXAMPLE
Triangle begins:
1,
2, 8,
6, 84, 5904,
24, 1632, 1064304, 2456909824,
120, 51040, 402671760, 15584878111040, 2179875344187129600,
720, 2340480, 273315542400, 217353588326290944, 823110394280028294344640, ...
...
CROSSREFS
Columns: A000142, A261683, A334516; main diagonal = A334517.
See also A334518.
Sequence in context: A079538 A098221 A343101 * A009214 A021781 A130820
KEYWORD
nonn,tabl,more
AUTHOR
N. J. A. Sloane, May 06 2020
STATUS
approved