A050331 Number of factorizations into numbers with an odd number of prime factors indexed by prime signatures. A050330(A025487).

1, 1, 1, 1, 2, 2, 2, 3, 2, 3, 3, 4, 4, 4, 5, 6, 6, 5, 8, 7, 8, 5, 9, 10, 6, 11, 13, 11, 9, 13, 14, 8, 16, 20, 14, 17, 20, 15, 21, 10, 22, 22, 20, 21, 31, 19, 27, 29, 26, 29, 12, 37, 30, 12, 36, 32, 46, 24, 42, 41, 44, 40, 15, 58, 40, 27, 61, 48, 49, 66, 31, 43, 63, 64, 56, 70, 68

Offset

1,5

Links

Table of n, a(n) for n=1..77.

Crossrefs

Cf. A025487, A050330.

Sequence in context: A182210 A078705 A346018 * A259194 A194344 A128435

Adjacent sequences: A050328 A050329 A050330 * A050332 A050333 A050334

Keyword

nonn

Author

Christian G. Bower, Oct 15 1999

Status

approved