id:A065336 - OEIS Search Results

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a(n) is the smallest number such that Sum_{m = 0 .. n-1} a(m)*a(m+1) is a square.

+0
2

1, 1, 3, 4, 5, 9, 7, 16, 9, 25, 11, 36, 13, 49, 15, 23, 120, 14, 52, 88, 33, 80, 21, 112, 102, 152, 30, 224, 165, 136, 105, 7, 636, 309, 304, 252, 103, 1275, 217, 117, 391, 2004, 489, 637, 195, 556, 1736, 500, 91, 1971, 440, 251, 4809, 1216, 291, 3796, 53, 3969 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`a(4) = 5 because a(0)a(1)+a(1)a(2)+a(2)a(3)+a(3)a(4) = 11+13+34+45 = 36`
	CROSSREFS	`Sequence in context: A020863 A122401 A122403 this_sequence A036710 A098801 A069807` `Adjacent sequences: A065333 A065334 A065335 this_sequence A065337 A065338 A065339`
	KEYWORD	`nonn`
	AUTHOR	`Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Oct 29 2001`

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

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