id:A031404 - OEIS Search Results

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Numbers n such that continued fraction for sqrt(n) has even period and central term 1.

+0
1

3, 7, 8, 15, 24, 32, 35, 48, 63, 75, 80, 88, 91, 99, 115, 120, 135, 136, 143, 168, 175, 176, 195, 208, 215, 224, 247, 255, 279, 280, 288, 304, 312, 319, 323, 360, 399, 403, 427, 432, 440, 464, 483, 528, 539, 551, 555, 560, 575, 595, 611, 624, 671 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A105173 A076683 A045542 this_sequence A136136 A057548 A122227` `Adjacent sequences: A031401 A031402 A031403 this_sequence A031405 A031406 A031407`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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