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A041441 Denominators of continued fraction convergents to sqrt(236). 2
1, 2, 3, 11, 58, 69, 472, 541, 3177, 10072, 13249, 36570, 1110349, 2257268, 3367617, 12360119, 65168212, 77528331, 530338198, 607866529, 3569670843, 11316879058, 14886549901, 41089978860, 1247585915701, 2536261810262, 3783847725963, 13887804988151 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

FORMULA

a(n) = 1123598*a(n-12) - a(n-24) for n>23. [Bruno Berselli, Dec 18 2013]

MATHEMATICA

Denominator[Convergents[Sqrt[236], 30]] (* Vincenzo Librandi, Dec 17 2013 *)

CROSSREFS

Cf. A041440.

Sequence in context: A020133 A086528 A152024 * A110482 A242366 A105217

Adjacent sequences:  A041438 A041439 A041440 * A041442 A041443 A041444

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 22 05:17 EST 2019. Contains 320385 sequences. (Running on oeis4.)