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A040610 Continued fraction for sqrt(636). +0
1
25, 4, 1, 1, 3, 3, 12, 3, 3, 1, 1, 4, 50, 4, 1, 1, 3, 3, 12, 3, 3, 1, 1, 4, 50, 4, 1, 1, 3, 3, 12, 3, 3, 1, 1, 4, 50, 4, 1, 1, 3, 3, 12, 3, 3, 1, 1, 4, 50, 4, 1, 1, 3, 3, 12, 3, 3, 1, 1, 4, 50, 4, 1, 1, 3, 3, 12, 3, 3, 1, 1, 4, 50, 4, 1, 1, 3, 3, 12, 3, 3, 1, 1, 4, 50, 4, 1 (list; graph; listen)
OFFSET

0,1

LINKS

Index entries for continued fractions for constants

FORMULA

a(n)=(1/396)*{-1475*(n mod 12)-46*[(n+1) mod 12]+43*[(n+2) mod 12]+109*[(n+3) mod 12]+43*[(n+4) mod 12]+340*[(n+5) mod 12]-254*[(n+6) mod 12]+43*[(n+7) mod 12]-23*[(n+8) mod 12]+43*[(n+9) mod 12]+142*[(n+10) mod 12]+1561*[(n+11) mod 12]}-25*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), May 15 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(636)), confrac);

CROSSREFS

Sequence in context: A040612 A040614 A040615 this_sequence A158786 A040611 A040608

Adjacent sequences: A040607 A040608 A040609 this_sequence A040611 A040612 A040613

KEYWORD

nonn,cofr,easy

AUTHOR

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

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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