OFFSET
1,1
COMMENTS
EXAMPLE
The initial nonsquarefree numbers are 4, 8, 9, 12, 16, 18, 20, 24, 25, which first increase by one after the 2nd and 8th terms.
MATHEMATICA
Join@@Position[Differences[Select[Range[100], !SquareFreeQ[#]&]], 1]
CROSSREFS
KEYWORD
nonn
AUTHOR
Gus Wiseman, Sep 01 2024
STATUS
approved