OFFSET
1,19
COMMENTS
Rows converge to the main diagonal A327006.
LINKS
EXAMPLE
[1] 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...
[2] 1, 0, 1, 0, 4, 0, 31, 0, 379, 0, 6556, 0, ...
[3] 1, 0, 1, 2, 3, 21, 57, 231, 1394, 5476, 32616, 203105, ...
[4] 1, 0, 1, 2, 6, 20, 101, 422, 2201, 12560, 76846, 483892, ...
[5] 1, 0, 1, 2, 6, 24, 100, 505, 2620, 15383, 97480, 657305, ...
[6] 1, 0, 1, 2, 6, 24, 105, 504, 2759, 16186, 103494, 710384, ...
MAPLE
# BellMatrix is defined in A264428.
T := proc(n, k) BellMatrix(x -> modp(x, n), k): add(i, i in %[k]) end:
seq(seq(T(n-k+1, k), k=1..n), n=1..12);
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Peter Luschny, Aug 13 2019
STATUS
approved