OFFSET
0,8
LINKS
Alois P. Heinz, Rows n = 0..12, flattened
Per Alexandersson et al., d-regular partitions and permutations, MathOverflow, 2014
EXAMPLE
T(3,1) = 5: (1,2,3), (1,3,2), (1)(2,3), (1,2)(3), (1,3)(2).
T(3,3) = 1: (1)(2)(3).
Triangle T(n,k) begins:
1;
0, 1;
0, 1, 1;
0, 5, 0, 1;
0, 20, 3, 0, 1;
0, 109, 10, 0, 0, 1;
0, 668, 44, 7, 0, 0, 1;
0, 4801, 210, 28, 0, 0, 0, 1;
0, 38894, 1320, 90, 15, 0, 0, 0, 1;
0, 353811, 8439, 554, 75, 0, 0, 0, 0, 1;
0, 3561512, 63404, 3542, 310, 31, 0, 0, 0, 0, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Alois P. Heinz, Sep 25 2016
STATUS
approved