id:A075352 - OEIS Search Results

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Group the natural numbers so that the product of the terms of the n-th group is just >= n!: (1), (2), (3, 4), (5, 6), (7, 8, 9), (10, 11, 12), (13, 14, 15, 16), (17, 18, 19, 20), (21, 22, 23, 24, 25), (26, 27, 28, 29, 30), ... Sequence gives product of numbers in each group.

+0
5

1, 2, 12, 30, 504, 1320, 43680, 116280, 6375600, 17100720, 1402410240, 3776965920, 8835488640, 1022755734000, 2478652606080, 380634949094400, 945378254620800, 186127248627129600, 470489622136934400, 115590003914312928000 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A075353, A075354, A075355, A075356.` `Sequence in context: A083175 A019258 A124903 this_sequence A116655 A085892 A101177` `Adjacent sequences: A075349 A075350 A075351 this_sequence A075353 A075354 A075355`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 19 2002`
	EXTENSIONS	`More terms from David Wasserman (dwasserm(AT)earthlink.net), Jan 16 2005`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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