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A042613 Denominators of continued fraction convergents to sqrt(835). 2
1, 1, 9, 10, 19, 29, 164, 193, 743, 2422, 3165, 5587, 14339, 77282, 168903, 246185, 415088, 1491449, 4889435, 6380884, 36793855, 43174739, 79968594, 123143333, 1065115258, 1188258591, 67607596354, 68795854945, 617974435914, 686770290859, 1304744726773 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

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, 68672711612, 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) = 68672711612*a(n-26) - a(n-52) for n>51. - Vincenzo Librandi, Jan 25 2014

MATHEMATICA

Denominator[Convergents[Sqrt[835], 30]] (* Vincenzo Librandi, Jan 25 2014 *)

CROSSREFS

Cf. A040806, A042612.

Sequence in context: A022099 A042113 A041166 * A020694 A042095 A041164

Adjacent sequences:  A042610 A042611 A042612 * A042614 A042615 A042616

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Jan 25 2014

STATUS

approved

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Last modified November 16 22:20 EST 2019. Contains 329208 sequences. (Running on oeis4.)