OFFSET
1,3
EXAMPLE
Triangle begins:
n\k| 1 2 3 4 5
---+--------------
1 | 1
2 | 1 2
3 | 2 2 2
4 | 2 2 2 2
5 | 2 2 3 3 7
At least T(5,4) = 3 1's are required to reach the number A350764(5,4) = 14 on the 5 X 4 grid (it is also possible with 4, 5, or 6 1's):
12 1 . 14
. 11 4 10
3 2 1 5
. 1 . 6
9 8 7 13
T(5,5) = 7 1's are required to reach the number A350764(5,5) = 18 on the 5 X 5 grid (no other number of 1's is possible):
1 16 1 8 18
5 3 6 1 9
12 1 17 . 11
2 1 4 1 13
10 7 14 1 15
CROSSREFS
KEYWORD
AUTHOR
Pontus von Brömssen, Jan 14 2022
STATUS
approved