A050355 Ordered factorizations with one level of parentheses indexed by prime signatures. A050354(A025487).

1, 1, 3, 5, 9, 21, 27, 81, 37, 81, 111, 297, 201, 243, 513, 1053, 945, 729, 2187, 1317, 3645, 365, 2745, 4077, 2187, 8829, 7209, 12393, 2433, 13257, 16605, 6561, 34263, 35397, 41553, 13473, 59697, 10155, 64881, 19683, 44793, 129033, 18993, 71307

Offset

1,3

Links

Table of n, a(n) for n=1..44.

Crossrefs

Sequence in context: A260353 A065901 A053662 * A147039 A069927 A136401

Adjacent sequences: A050352 A050353 A050354 * A050356 A050357 A050358

Keyword

nonn

Author

Christian G. Bower, Oct 15 1999

Status

approved