id:A050357 - OEIS Search Results

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Number of ordered factorizations with 2 levels of parentheses indexed by prime signatures.

+0
1

1, 1, 4, 7, 16, 40, 64, 208, 73, 256, 292, 1024, 544, 1024, 1840, 4864, 3472, 4096, 10624, 4936, 22528, 1015, 13552, 20224, 16384, 57856, 36976, 102400, 9328, 89344, 110848, 65536, 302080, 246784, 458752, 70480, 546304, 52996, 581632 (list; graph; listen)

	OFFSET	`1,3`
	CROSSREFS	`A050356(A025487).` `Adjacent sequences: A050354 A050355 A050356 this_sequence A050358 A050359 A050360` `Sequence in context: A051049 A108122 A027609 this_sequence A132334 A097661 A013625`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Oct 15 1999.`

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Last modified October 9 14:06 EDT 2008. Contains 144831 sequences.

AT&T Labs Research