OFFSET
1,5
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;
1, 1;
5, 2, 23, 1, 1;
253, 5, 1, 23, 713, 11, 5, 149, 157, 5, 23, 1;
...
CROSSREFS
KEYWORD
nonn,frac,tabf
AUTHOR
Pontus von Brömssen, Nov 26 2023
STATUS
approved