Total number of divisors d of m (counted with multiplicity), such that the prime signature of d is a partition of two and m runs through the set of least numbers whose prime signature is a partition of n.
A309691
Total number of divisors d of m (counted with multiplicity), such that the prime signature of d is a partition of two and m runs through the set of least numbers whose prime signature is a partition of n.
Terms
- a(0) =2a(1) =6a(2) =16a(3) =32a(4) =65a(5) =113a(6) =199a(7) =323a(8) =523a(9) =803a(10) =1237a(11) =1826a(12) =2696a(13) =3873a(14) =5544a(15) =7767a(16) =10859a(17) =14912a(18) =20425a(19) =27598a(20) =37156a(21) =49473a(22) =65679a(23) =86350a(24) =113179a(25) =147191a(26) =190806a(27) =245676a(28) =315415a(29) =402522
External references
- oeis: A309691