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A040221 Continued fraction for sqrt(237). 0
15, 2, 1, 1, 7, 10, 7, 1, 1, 2, 30, 2, 1, 1, 7, 10, 7, 1, 1, 2, 30, 2, 1, 1, 7, 10, 7, 1, 1, 2, 30, 2, 1, 1, 7, 10, 7, 1, 1, 2, 30, 2, 1, 1, 7, 10, 7, 1, 1, 2, 30, 2, 1, 1, 7, 10, 7, 1, 1, 2, 30, 2, 1, 1, 7, 10, 7, 1, 1, 2, 30, 2, 1, 1, 7, 10, 7, 1, 1, 2, 30, 2, 1, 1, 7 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

Index entries for continued fractions for constants

FORMULA

a(n)=(1/450)*{-1198*(n mod 10)+17*[(n+1) mod 10]+62*[(n+2) mod 10]+332*[(n+3) mod 10]+197*[(n+4) mod 10]-73*[(n+5) mod 10]-208*[(n+6) mod 10]+62*[(n+7) mod 10]+107*[(n+8) mod 10]+1322*[(n+9) mod 10]}-15*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Apr 23 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(237)), confrac);

CROSSREFS

Sequence in context: A027539 A027479 A027497 * A040220 A146989 A166031

Adjacent sequences:  A040218 A040219 A040220 * A040222 A040223 A040224

KEYWORD

nonn,cofr,easy

AUTHOR

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

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.