OFFSET
1,8
LINKS
Pontus von Brömssen, Rows n = 1..11, flattened
Wikipedia, Degeneracy
EXAMPLE
Triangle begins:
n\k| 0 1 2 3 4 5 6 7 8 9
---+----------------------------------------------------
1 | 1
2 | 0 1
3 | 0 1 1
4 | 0 2 3 1
5 | 0 3 13 4 1
6 | 0 6 62 37 6 1
7 | 0 11 364 393 77 7 1
8 | 0 23 2799 6485 1665 135 9 1
9 | 0 47 27811 158766 68957 5268 220 10 1
10 | 0 106 349306 5718805 5091421 541593 14997 330 12 1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Pontus von Brömssen, Mar 05 2022
STATUS
approved