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A042697 Denominators of continued fraction convergents to sqrt(878). 2
1, 1, 2, 3, 8, 19, 84, 103, 2968, 3071, 15252, 33575, 82402, 115977, 198379, 314356, 18431027, 18745383, 37176410, 55921793, 149019996, 353961785, 1564867136, 1918828921, 55292076924, 57210905845, 284135700304, 625482306453, 1535100313210, 2160582619663 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

FORMULA

a(n) = 18629406*a(n-16) - a(n-32) for n>31. - Vincenzo Librandi, Jan 26 2014

MATHEMATICA

Denominator[Convergents[Sqrt[878], 30]] (* Vincenzo Librandi, Jan 26 2014 *)

CROSSREFS

Cf. A040848, A042696.

Sequence in context: A006609 A005663 A112834 * A042905 A247568 A337281

Adjacent sequences:  A042694 A042695 A042696 * A042698 A042699 A042700

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Jan 26 2014

STATUS

approved

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Last modified May 10 22:16 EDT 2021. Contains 343780 sequences. (Running on oeis4.)