OFFSET
1,2
COMMENTS
Reversing rows gives A161908.
EXAMPLE
Triangle begins:
1
2
3
4 2
5
6 3
7
8 4
9 3
10 5
11
12 6 4
13
14 7
15 5
16 8 4
17
18 9 6
19
20 10 5
21 7
22 11
23
24 12 8 6
PROG
(PARI) row(n) = Vecrev(select(x->(x>=sqrt(n)), divisors(n))); \\ Michel Marcus, Jan 22 2021
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Charles Kusniec, Jan 21 2021
STATUS
approved