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A020347 Numbers n such that continued fraction for sqrt(n) has period 6. +0
1
19, 21, 22, 45, 52, 54, 57, 59, 70, 77, 88, 107, 111, 112, 114, 117, 131, 164, 165, 175, 178, 183, 187, 208, 216, 221, 232, 267, 270, 273, 275, 278, 280, 285, 294, 296, 303, 308, 350, 357, 371, 372, 374, 381, 387, 407, 418, 437, 456, 470, 498, 499, 507, 510, 514, 518 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A042735 A156758 A089837 this_sequence A054864 A158232 A050714

Adjacent sequences: A020344 A020345 A020346 this_sequence A020348 A020349 A020350

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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