A084064 - OEIS

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A084064

Third row of number array A084061.

1, 1, 6, 45, 452, 5725, 87704, 1577849, 32618512, 762046137, 19856872032, 571007744549, 17962793210944, 613650073693397, 22624291883495808, 895379458590349425, 37861032312753094912, 1703550488551604490353 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`a(n)=(n-sqrt(2))^n/2+(n+sqrt(2))^n/2`
	CROSSREFS	`Cf. A000312, A062024, A084065.` `Sequence in context: A001879 A019577 A097814 * A186925 A109516 A078865` `Adjacent sequences: A084061 A084062 A084063 * A084065 A084066 A084067`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 11 2003`

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Last modified February 17 20:50 EST 2012. Contains 206085 sequences.