id:A031513 - OEIS Search Results

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Numbers n such that continued fraction for sqrt(n) has even period and central term 15.

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227, 239, 243, 251, 263, 267, 271, 283, 287, 904, 928, 1000, 1096, 1120, 1152, 2031, 2103, 2175, 2235, 2247, 2319, 2391, 2463, 2523, 2595, 3608, 3672, 3736, 3928, 3992, 4184, 4232, 4248, 4376, 4504, 4568, 4616, 5635, 5735, 5815, 5935, 6015, 6115, 6135 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A050847 A098247 A092994 this_sequence A078765 A142261 A117458` `Adjacent sequences: A031510 A031511 A031512 this_sequence A031514 A031515 A031516`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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