OFFSET
1,1
LINKS
Robert Price, Table of n, a(n) for n = 1..1000
EXAMPLE
A124809(1)=50, 50 = 2*5*5, so 50 is not squarefree, the square being 5*5 = 25.
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert Price, Mar 14 2017
STATUS
approved