id:A065006 - OEIS Search Results

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Integers for which the periodic part of the continued fraction for the square root of n begins with 3.

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11, 28, 40, 53, 69, 86, 87, 106, 127, 128, 151, 152, 176, 177, 204, 205, 233, 234, 235, 265, 266, 298, 299, 300, 334, 335, 336, 371, 372, 373, 411, 412, 413, 452, 453, 454, 455, 496, 497, 498, 541, 542, 543, 544, 589, 590, 591, 592, 638, 639, 640, 641, 690 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`The continued fraction for the square root of 11 is 3, {3, 6}.`
	MATHEMATICA	`Select[ Range[800], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 3 & ]`
	CROSSREFS	`Sequence in context: A137019 A122929 A030756 this_sequence A061952 A140677 A018944` `Adjacent sequences: A065003 A065004 A065005 this_sequence A065007 A065008 A065009`
	KEYWORD	`cofr,easy,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 01 2001`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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