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A031660 Numbers n such that continued fraction for sqrt(n) has odd period and central terms 72. +0
1
5185, 33149, 64058, 65074, 106357, 221069, 222953, 292906, 293989, 299434, 376058, 378514, 380978, 382213, 470957, 473705, 578041, 692753, 694418, 697754, 701098, 702773, 812426, 817841, 821461, 823274, 825089, 826906, 832369, 965053, 1094957 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A073585 A107344 A061050 this_sequence A031570 A066167 A028549

Adjacent sequences: A031657 A031658 A031659 this_sequence A031661 A031662 A031663

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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