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A040604 Continued fraction for sqrt(630). 0
25, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50, 10, 50 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

Index entries for continued fractions for constants

FORMULA

a(n)=30+20*(-1)^n-25*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), May 15 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(630)), confrac);

CROSSREFS

Sequence in context: A096521 A181763 A171638 * A097440 A040603 A033345

Adjacent sequences:  A040601 A040602 A040603 * A040605 A040606 A040607

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 13 12:58 EST 2012. Contains 205482 sequences.