OFFSET
1,3
COMMENTS
Can be read as an irregular triangle, whose n-th row contains A000105(n) terms, n >= 1.
Terms on the n-th row are (2*n-1)-smooth.
EXAMPLE
As an irregular triangle:
1;
1;
3, 3;
14, 21, 84, 21, 12;
1008, 126, 21, 315, 5040, 126, 126, 2016, 1008, 126, 672, 60;
...
CROSSREFS
KEYWORD
nonn,frac,tabf
AUTHOR
Pontus von Brömssen, Nov 26 2023
STATUS
approved