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A371244
Number of factorizations of n into factors > 3.
2
1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 3, 1, 1, 1, 3, 1, 2, 1, 2, 2, 1, 1, 3, 2, 2, 1, 2, 1, 2, 2, 3, 1, 1, 1, 4, 1, 1, 2, 4, 2, 2, 1, 2, 1, 3, 1, 4, 1, 1, 2, 2, 2, 2, 1, 5, 2, 1, 1, 4, 2, 1, 1, 3, 1
OFFSET
1,16
FORMULA
Dirichlet g.f.: Product_{k>=4} 1 / (1 - k^(-s)).
EXAMPLE
a(36) = 3: 36 = 4*9 = 6*6.
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Mar 16 2024
STATUS
approved