OFFSET
0,5
MATHEMATICA
Table[SeriesCoefficient[1/(1 - Sum[Boole[SquareFreeQ[k]] x^k, {k, 1, Floor[Sqrt[n]]}]), {x, 0, n}], {n, 0, 37}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Jan 16 2024
STATUS
approved