id:A050339 - OEIS Search Results

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Number of factorizations with 2 levels of parentheses indexed by prime signatures. A050338(A025487).

+0
3

1, 1, 4, 4, 10, 16, 30, 54, 22, 75, 74, 176, 102, 206, 267, 535, 399, 518, 950, 526, 1585, 154, 1094, 1446, 1344, 3091, 2252, 4527, 817, 4158, 4879, 3357, 9809, 8811, 12664, 3605, 14653, 3005, 15738, 8429, 10479, 29762, 4777, 16863, 31883, 34631 (list; graph; listen)

	OFFSET	`1,3`
	CROSSREFS	`Sequence in context: A058187 A006477 A058596 this_sequence A087288 A095009 A117881` `Adjacent sequences: A050336 A050337 A050338 this_sequence A050340 A050341 A050342`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Oct 15 1999.`

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

AT&T Labs Research