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A371243
Number of factorizations of n into factors > 2.
2
1, 0, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 2, 2, 1, 1, 3, 2, 1, 3, 2, 1, 3, 1, 2, 2, 1, 2, 5, 1, 1, 2, 3, 1, 3, 1, 2, 4, 1, 1, 5, 2, 2, 2, 2, 1, 4, 2, 3, 2, 1, 1, 6, 1, 1, 4, 4, 2, 3, 1, 2, 2, 3, 1, 7, 1, 1, 4, 2, 2, 3, 1, 5, 5, 1, 1, 6, 2, 1, 2
OFFSET
1,9
FORMULA
Dirichlet g.f.: Product_{k>=3} 1 / (1 - k^(-s)).
EXAMPLE
a(24) = 3: 24 = 3*8 = 4*6.
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Mar 16 2024
STATUS
approved