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A010340 Sum of terms in period of continued fraction for sqrt(n). 7
0, 2, 3, 0, 4, 6, 7, 5, 0, 6, 9, 8, 10, 10, 7, 0, 8, 12, 17, 10, 14, 18, 13, 9, 0, 10, 15, 18, 16, 12, 25, 13, 14, 16, 11, 0, 12, 18, 16, 15, 16, 14, 29, 20, 20, 34, 19, 13, 0, 14, 21, 26, 22, 26, 20, 16, 22, 20, 27, 18 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The entry for a perfect square is 0.

LINKS

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

MATHEMATICA

f[n_] := If[ IntegerQ[ Sqrt[n]], 0, Apply[ Plus, Last[ ContinuedFraction[ Sqrt[n]]]]]; Table[ f[n], {n, 1, 100} ]

CROSSREFS

Sequence in context: A133637 A258093 A286578 * A049275 A121598 A258818

Adjacent sequences:  A010337 A010338 A010339 * A010341 A010342 A010343

KEYWORD

nonn,nice

AUTHOR

N. J. A. Sloane, Walter Gilbert

STATUS

approved

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Last modified June 5 06:41 EDT 2020. Contains 334828 sequences. (Running on oeis4.)