The On-Line Encyclopedia of Integer Sequences (OEIS)

A040590 revision #11

A040590

Continued fraction for sqrt(615).

24, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1

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OFFSET

0,1

LINKS

Table of n, a(n) for n=0..83.

Index entries for continued fractions for constants

FORMULA

a(n)=(1/24)*{-229*(n mod 4)+65*[(n+1) mod 4]+41*[(n+2) mod 4]+335*[(n+3) mod 4]}-24*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, May 15 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(615)), confrac);

CROSSREFS

Sequence in context: A040585 A040584 A040589 * A040588 A303712 A040591

Adjacent sequences: A040587 A040588 A040589 * A040591 A040592 A040593

KEYWORD

nonn,cofr,easy,less

AUTHOR

N. J. A. Sloane.

STATUS

approved