OFFSET
1,3
LINKS
Wikipedia, Racetrack
EXAMPLE
Triangle begins:
m\n| 1 2 3 4 5 6
---+------------------------------
1 | 1
2 | 1 3
3 | 1 6 23
4 | 2 17 118 1470
5 | 3 47 762 23878 914525
6 | 5 133 5724 420894 40285572 ?
CROSSREFS
KEYWORD
AUTHOR
Pontus von Brömssen, Jan 31 2022
STATUS
approved