id:A055067 - OEIS Search Results

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Product of numbers < n which do not divide n (or 1 if no such numbers).

+0
4

1, 1, 2, 3, 24, 20, 720, 630, 13440, 36288, 3628800, 277200, 479001600, 444787200, 5811886080, 20432412000, 20922789888000, 1097800704000, 6402373705728000, 304112751022080, 115852476579840000, 2322315553259520000 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n) = A000142(n)/A007955(n)`
	EXAMPLE	`a(5)=234=24, a(6)=4*5=20.`
	CROSSREFS	`Cf. A024816.` `Adjacent sequences: A055064 A055065 A055066 this_sequence A055068 A055069 A055070` `Sequence in context: A119619 A099617 A092043 this_sequence A037319 A032811 A092049`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jun 12 2000`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Mar 15 2002`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.

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