OFFSET
0,5
COMMENTS
It seems more symmetrical to omit the central column of zeros in A349815.
EXAMPLE
Triangle begins:
1;
1, 1;
1, 2, 1;
2, 4, 4, 3, 1;
8, 13, 12, 8, 4, 1;
13, 33, 41, 37, 25, 13, 5, 1;
74, 124, 136, 116, 80, 44, 19, 6, 1;
124, 334, 450, 456, 376, 259, 149, 70, 26, 7, 1;
784, 1364, 1616, 1541, 1240, 854, 504, 252, 104, 34, 8, 1;
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, Dec 23 2021
STATUS
approved