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A003814 Numbers n such that continued fraction for sqrt(n) has odd period length (values of n). +0
8
2, 5, 10, 13, 17, 26, 29, 37, 41, 50, 53, 58, 61, 65, 73, 74, 82, 85, 89, 97, 101, 106, 109, 113, 122, 125, 130, 137, 145, 149, 157, 170, 173, 181, 185, 193, 197, 202, 218, 226, 229, 233, 241, 250, 257, 265, 269, 274, 277, 281 (list; graph; listen)
OFFSET

1,1

REFERENCES

Kenneth H. Rosen, Elementary Number Theory and Its Applications, Addison-Wesley, 1984, page 426 (but beware of errors!).

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

S. R. Finch, Class number theory

CROSSREFS

Cf. A010333, A003654.

Cf. A031396.

Adjacent sequences: A003811 A003812 A003813 this_sequence A003815 A003816 A003817

Sequence in context: A037942 A008784 A020893 this_sequence A031396 A003654 A047617

KEYWORD

nonn

AUTHOR

njas, Walter Gilbert

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.


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