A045990 - OEIS

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A045990

a(n) = A034997(n)/2.

1, 3, 16, 185, 5646, 533022, 173663176 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`Table of n, a(n) for n=1..7.`
	CROSSREFS	`Sequence in context: A254430 A180721 A192668 * A007006 A174137 A166860` `Adjacent sequences: A045987 A045988 A045989 * A045991 A045992 A045993`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane`
	STATUS	`approved`

Last modified February 28 20:48 EST 2021. Contains 341731 sequences. (Running on oeis4.)