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A042655
Denominators of continued fraction convergents to sqrt(857).
2
1, 3, 4, 7, 11, 40, 51, 346, 397, 743, 4855, 5598, 21649, 27247, 48896, 76143, 277325, 16160993, 48760304, 64921297, 113681601, 178602898, 649490295, 828093193, 5618049453, 6446142646, 12064192099, 78831295240, 90895487339, 351517757257, 442413244596
OFFSET
0,2
LINKS
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, 16237136, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
FORMULA
a(n) = 16237136*a(n-17) + a(n-34) for n>33. - Vincenzo Librandi, Jan 26 2014
MATHEMATICA
Denominator[Convergents[Sqrt[857], 30]] (* Vincenzo Librandi, Jan 26 2014 *)
CROSSREFS
Sequence in context: A002364 A042827 A041631 * A041901 A111518 A291853
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 26 2014
STATUS
approved