A050329 Number of ordered factorizations into squarefree factors indexed by prime signatures.

1, 1, 1, 3, 1, 5, 1, 7, 13, 1, 13, 9, 31, 1, 25, 11, 57, 1, 41, 101, 13, 75, 63, 91, 1, 61, 239, 15, 233, 129, 133, 1, 85, 469, 17, 535, 231, 409, 183, 1, 705, 113, 919, 321, 815, 19, 1029, 377, 1177, 241, 1, 1671, 145, 541, 2593, 681, 1301, 21, 1763, 575, 2741

Offset

1,4

Links

Amiram Eldar, Table of n, a(n) for n = 1..1000

Formula

a(n) = A050328(A025487(n)).

Crossrefs

Cf. A025487, A050328.

Sequence in context: A318827 A339236 A029669 * A147005 A254577 A051707

Adjacent sequences: A050326 A050327 A050328 * A050330 A050331 A050332

Keyword

nonn

Author

Christian G. Bower, Oct 15 1999

Status

approved