A107683 - OEIS

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A107683

Number of perfect Skolem sets.

1, 1, 3, 11, 35, 114, 407, 1486, 5414, 19923, 74230, 278462, 1049318, 3972395, 15101658, 57607431, 220391316, 845366406, 3250192681, 12521965697 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,3`
	LINKS	`Table of n, a(n) for n=1..20.` `G. Nordh, Perfect Skolem sequences`
	CROSSREFS	`Cf. A004075, A060963, A099152.` `Sequence in context: A032637 A034576 A125672 * A259400 A320087 A014335` `Adjacent sequences: A107680 A107681 A107682 * A107684 A107685 A107686`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan, Jun 10 2005`
	STATUS	`approved`

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Last modified June 2 10:57 EDT 2020. Contains 334771 sequences. (Running on oeis4.)