id:A050343 - OEIS Search Results

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Number of partitions of n into distinct parts with 2 levels of parentheses.

+0
4

1, 1, 1, 4, 7, 14, 29, 57, 110, 217, 417, 794, 1513, 2860, 5373, 10063, 18740, 34750, 64221, 118199, 216775, 396297, 722136, 1311888, 2376575, 4293407, 7735941, 13903985, 24929763, 44595606, 79598328, 141770576, 251984463, 446991405 (list; graph; listen)

	OFFSET	`0,4`
	LINKS	`N. J. A. Sloane, Transforms`
	FORMULA	`Weigh transform of A050342.`
	EXAMPLE	`4=((4))=((3))+((1))=((3)+(1))=((3+1))=((2+1))+((1))=((2+1)+(1)).`
	CROSSREFS	`Cf. A050342-A050350.` `Adjacent sequences: A050340 A050341 A050342 this_sequence A050344 A050345 A050346` `Sequence in context: A094968 A049946 A076975 this_sequence A132753 A049945 A076586`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Oct 15 1999.`

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

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