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A013651
Period of continued fraction for sqrt(n) contains at least two 1's.
0
7, 13, 14, 19, 21, 22, 23, 29, 31, 32, 33, 34, 43, 44, 45, 46, 47, 52, 53, 54, 57, 58, 59, 60, 61, 62, 67, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 85, 86, 88, 91, 92, 93, 94, 95, 96, 97, 98
OFFSET
1,1
REFERENCES
Kenneth H. Rosen, Elementary Number Theory and Its Applications, Addison-Wesley, 1984, page 426 (but beware of errors!).
CROSSREFS
Sequence in context: A353443 A332480 A233593 * A050931 A072864 A232437
KEYWORD
nonn
STATUS
approved