OFFSET
1,3
COMMENTS
EXAMPLE
Triangle begins:
1,
1, 2, 1,
1, 10, 1,
1, 70, 117, 36, 1,
1, 4006, 1,
1, 6728, 80092, 178939, 451206, 442791, 264500, 80518, 1,
1, 158753814, 1,
1, ?, ?, 187497290034, ?, 7157114189, 1,
...
CROSSREFS
KEYWORD
nonn,tabf,more
AUTHOR
N. J. A. Sloane, Oct 27 2021
STATUS
approved