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A013652 Period of continued fraction for sqrt(n) contains at least three 1's. 0
7, 13, 21, 31, 32, 43, 44, 46, 57, 58, 61, 67, 73, 74, 75, 76, 86, 88, 91, 92, 93, 94, 97, 103, 106, 108, 109, 111, 112, 113, 115, 116, 124, 129, 133, 134, 135, 136, 137, 139, 151, 157, 158, 159, 160, 161, 162, 163, 166, 172, 179, 181, 183, 184, 185, 186, 190, 191, 193, 199 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
REFERENCES
Kenneth H. Rosen, Elementary Number Theory and Its Applications, Addison-Wesley, 1984, page 426 (but beware of errors!).
LINKS
CROSSREFS
Sequence in context: A135275 A304005 A304947 * A099988 A076947 A138077
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from David W. Wilson
STATUS
approved

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Last modified August 29 11:15 EDT 2024. Contains 375512 sequences. (Running on oeis4.)