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A050355 Ordered factorizations with one level of parentheses indexed by prime signatures. A050354(A025487). 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

CROSSREFS

Sequence in context: A066777 A065901 A053662 * A147039 A069927 A136401

Adjacent sequences:  A050352 A050353 A050354 * A050356 A050357 A050358

KEYWORD

nonn

AUTHOR

Christian G. Bower, Oct 15 1999.

STATUS

approved

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Last modified May 25 18:22 EDT 2013. Contains 225648 sequences.