id:A031518 - OEIS Search Results

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Numbers n such that continued fraction for sqrt(n) has even period and central term 20.

+0
1

402, 418, 422, 446, 454, 466, 478, 482, 903, 921, 933, 939, 942, 948, 993, 1014, 1029, 1041, 1047, 1077, 1086, 1604, 1612, 1636, 1644, 1660, 1676, 1684, 1700, 1708, 1724, 1732, 1740, 1756, 1772, 1780, 1788, 1796, 1804, 1820, 1828, 1836, 1844, 1852, 1868 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A156785 A097742 A115244 this_sequence A104391 A158312 A128767` `Adjacent sequences: A031515 A031516 A031517 this_sequence A031519 A031520 A031521`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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