A050373 Number of factorizations into distinct composite numbers indexed by prime signatures.

1, 0, 1, 1, 1, 1, 1, 2, 1, 2, 2, 3, 3, 2, 4, 4, 5, 3, 5, 6, 6, 4, 7, 8, 3, 9, 11, 8, 8, 11, 13, 5, 12, 19, 11, 16, 17, 12, 19, 5, 22, 18, 19, 17, 30, 14, 28, 26, 26, 28, 7, 38, 24, 11, 39, 29, 47, 19, 46, 37, 44, 39, 8, 64, 34, 28, 70, 44, 53, 70, 24, 47, 69, 73, 53, 76, 82, 55, 48, 10

Offset: 1

Author

Christian G. Bower, Nov 15 1999

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 1..3000

Crossrefs

A050372(A025487).

Extensions

More terms from Naohiro Nomoto, Nov 07 2001

Corrected by Alois P. Heinz, May 26 2013