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Search: id:A050341
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A050341 Number of factorizations with 3 levels of parentheses indexed by prime signatures. A050340(A025487). +0
4
1, 1, 5, 5, 15, 25, 55, 105, 35, 170, 145, 425, 205, 571, 660, 1611, 1010, 1789, 2938, 1345, 5941, 315, 3437, 4596, 5727, 12047, 7317, 21190, 2130, 16533, 19496, 17836, 47949, 36232, 74020, 11940, 73831, 9841, 78981, 55627, 43590, 183208, 15982 (list; graph; listen)
OFFSET

1,3

CROSSREFS

Sequence in context: A147152 A104551 A100746 this_sequence A140360 A145599 A154232

Adjacent sequences: A050338 A050339 A050340 this_sequence A050342 A050343 A050344

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Oct 15 1999.

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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