OFFSET
1,3
COMMENTS
LINKS
EXAMPLE
Square array A(n,k) begins:
1, 0, 0, 0, 0, ...
2, 0, 0, 0, 0, ...
3, 6, 6, 6, 6, ...
4, 48, 1056, 45696, 4038432, ...
5, 180, 32940, 30847500, 148046704020, ...
6, 480, 393600, 3312560640, 286170443437440, ...
7, 1050, 2735250, 123791435250, 97337320223288250, ...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Alois P. Heinz, May 03 2012
STATUS
approved