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A010333 Numbers n such that continued fraction for sqrt(n) has odd period length (periods). +0
2
1, 1, 1, 5, 1, 1, 5, 1, 3, 1, 5, 7, 11, 1, 7, 5, 1, 5, 5, 11, 1, 9, 15, 9, 1, 5, 3, 9, 1, 9, 17, 1, 5, 21, 5, 13, 1, 7, 5, 1, 5, 11, 17, 7, 1, 9, 3, 7, 21, 13, 1, 5, 11, 17, 7, 11, 1, 19, 5, 5 (list; graph; listen)
OFFSET

1,4

CROSSREFS

Cf. A003814.

Sequence in context: A110635 A071170 A108691 this_sequence A131777 A046607 A152717

Adjacent sequences: A010330 A010331 A010332 this_sequence A010334 A010335 A010336

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Walter Gilbert

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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