OFFSET
3,1
COMMENTS
Equivalently, the n-th row gives the column indices corresponding to n in the triangle A351153.
EXAMPLE
Triangle begins:
2;
2;
2;
2, 3;
2;
2, 3;
2;
2, 3, 4;
...
MATHEMATICA
Table[r={}; For[d=1, d<Floor[(Sqrt[1+8n]-1)/2], d++, If[Divisible[2n+(d-2)(d+1), 2d], AppendTo[r, d+1]]]; r, {n, 3, 43}]//Flatten
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Stefano Spezia, Feb 06 2022
STATUS
approved