OFFSET
1,3
COMMENTS
Can be read as an irregular triangle, whose n-th row contains A000105(n) terms, n >= 1.
EXAMPLE
As an irregular triangle:
1;
1;
3, 3;
3, 6, 4, 6, 12;
5, 30, 30, 15, 60, 15, 30, 120, 60, 30, 40, 60;
...
CROSSREFS
KEYWORD
nonn,frac,tabf
AUTHOR
Pontus von Brömssen, Dec 02 2023
STATUS
approved