A094099 - OEIS

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A094099

Number of divisor chains of length 2n+1 which are both cyclic and anchored.

1, 1, 1, 1, 4, 2, 4, 47, 6, 6, 462, 372, 1589, 20896 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,5`
	COMMENTS	`A divisor chain of length n is an arrangement of 1..n such that each term is a divisor of the sum of the preceding terms.`
	LINKS	`Table of n, a(n) for n=0..13.`
	CROSSREFS	`Cf. A067957, A094096, A094098, A094099.` `Sequence in context: A134434 A168613 A139809 * A107046 A072907 A211174` `Adjacent sequences: A094096 A094097 A094098 * A094100 A094101 A094102`
	KEYWORD	`nonn`
	AUTHOR	`Chris Landauer (cal(AT)aero.org), May 04, 2004.`
	STATUS	`approved`

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Last modified May 20 01:43 EDT 2013. Contains 225445 sequences.