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A339319
Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^4.
8
1, 4, 4, 14, 4, 20, 4, 40, 14, 20, 4, 76, 4, 20, 20, 105, 4, 76, 4, 76, 20, 20, 4, 236, 14, 20, 40, 76, 4, 116, 4, 252, 20, 20, 20, 306, 4, 20, 20, 236, 4, 116, 4, 76, 76, 20, 4, 656, 14, 76, 20, 76, 4, 236, 20, 236, 20, 20, 4, 476, 4, 20, 76, 574, 20, 116, 4, 76, 20, 116
OFFSET
1,2
COMMENTS
Number of factorizations of n into factors (greater than 1) of 4 kinds.
FORMULA
a(p^k) = A023003(k) for prime p.
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Nov 30 2020
STATUS
approved