id:A084063 - OEIS Search Results

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First sub-diagonal of number array A084061.

+0
5

1, 1, 7, 63, 761, 11525, 209539, 4440527, 107374753, 2915352729, 87771145551, 2900744369039, 104369641697881, 4060189444664093, 169777979925475531, 7592652139022106975, 361563242499379729537, 18263719440778358953457 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n)=(n-sqrt(n+1))^n/2+(n+sqrt(n+1))^n/2.`
	CROSSREFS	`Cf. A084062, A084095.` `Sequence in context: A015684 A051579 A049464 this_sequence A126883 A137810 A036287` `Adjacent sequences: A084060 A084061 A084062 this_sequence A084064 A084065 A084066`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 11 2003`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research