id:A031417 - OEIS Search Results

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Numbers n such that continued fraction for sqrt(n) has odd period and central terms 4.

+0
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17, 274, 370, 481, 797, 953, 1069, 1249, 1313, 1378, 1381, 1514, 1657, 1658, 1733, 1889, 2125, 2297, 2377, 2554, 2557, 2833, 2834, 2929, 2941, 3226, 3329, 3338, 3433, 3541, 3761, 3874, 3989, 4093, 4106, 4441, 4442, 4561, 4682, 4685 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A159678 A097830 A131865 this_sequence A029811 A113076 A159503` `Adjacent sequences: A031414 A031415 A031416 this_sequence A031418 A031419 A031420`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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