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A040646 Continued fraction for sqrt(672). 1
25, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11, 1, 50, 1, 11 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..74.

Index entries for continued fractions for constants

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 1).

FORMULA

a(n)=(1/8)*{-77*(n mod 4)+41*[(n+1) mod 4]+[(n+2) mod 4]+119*[(n+3) mod 4]}-25*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, May 18 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(672)), confrac);

CROSSREFS

Sequence in context: A040643 A040644 A040645 * A040647 A126647 A040648

Adjacent sequences:  A040643 A040644 A040645 * A040647 A040648 A040649

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 20 20:26 EDT 2021. Contains 343137 sequences. (Running on oeis4.)