OFFSET
0,6
COMMENTS
Such a partition must be strict and its parts must also be squarefree.
EXAMPLE
The a(26) = 11 integer partitions:
(26),
(15,11), (19,7), (21,5), (23,3),
(13,7,6), (13,10,3), (13,11,2), (17,7,2), (19,5,2),
(11,7,5,3).
MATHEMATICA
Table[Length[Select[IntegerPartitions[n], !MemberQ[#, 1]&&SquareFreeQ[Times@@#]&]], {n, 30}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Gus Wiseman, Dec 14 2018
STATUS
approved