A042653 - OEIS

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A042653

Denominators of continued fraction convergents to sqrt(856).

1, 3, 4, 31, 35, 66, 101, 167, 769, 2474, 3243, 8960, 57003, 407981, 2504889, 5417759, 7922648, 29185703, 124665460, 153851163, 278516623, 432367786, 710884409, 5408558649, 6119443058, 23766887823, 1384598936792, 4177563698199, 5562162634991, 43112702143136

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OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1390718379850, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

FORMULA

a(n) = 1390718379850*a(n-26) - a(n-52) for n>51. - Vincenzo Librandi, Jan 26 2014

MATHEMATICA

Denominator[Convergents[Sqrt[856], 30]] (* Vincenzo Librandi, Jan 26 2014 *)

CROSSREFS

Cf. A040826, A042652.

Sequence in context: A127068 A372794 A058603 * A219679 A042431 A269724

Adjacent sequences: A042650 A042651 A042652 * A042654 A042655 A042656

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Jan 26 2014

STATUS

approved