OFFSET
0,6
LINKS
Alois P. Heinz, Antidiagonals n = 0..140, flattened
EXAMPLE
Square array A(n,k) begins:
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...
2, 2, 1, 0, 0, 0, 0, 0, 0, 0, ...
0, 0, 3, 1, 0, 1, 0, 0, 0, 0, ...
0, 0, 6, 6, 2, 3, 2, 1, 0, 0, ...
0, 0, 10, 20, 15, 12, 15, 5, 0, 2, ...
0, 0, 15, 50, 69, 40, 69, 24, 3, 15, ...
0, 0, 21, 105, 252, 135, 252, 98, 28, 69, ...
0, 0, 28, 196, 804, 441, 804, 378, 180, 273, ...
0, 0, 36, 336, 2349, 1428, 2349, 1386, 954, 1056, ...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Alois P. Heinz, Jun 11 2014
STATUS
approved