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A040263 Continued fraction for sqrt(280). +0
1
16, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2, 1, 2, 1, 32, 1, 2 (list; graph; listen)
OFFSET

0,1

LINKS

Index entries for continued fractions for constants

FORMULA

a(n)=(1/15)*{-71*(n mod 6)+9*[(n+1) mod 6]+4*[(n+2) mod 6]+9*[(n+3) mod 6]+4*[(n+4) mod 6]+84*[(n+5) mod 6]}-16*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Apr 24 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(280)), confrac);

CROSSREFS

Sequence in context: A142462 A022179 A015141 this_sequence A082696 A040262 A040261

Adjacent sequences: A040260 A040261 A040262 this_sequence A040264 A040265 A040266

KEYWORD

nonn,cofr,easy

AUTHOR

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

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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