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A042286 Numerators of continued fraction convergents to sqrt(669). 2
25, 26, 181, 388, 957, 3259, 4216, 41203, 45419, 86622, 218663, 305285, 3882083, 15833617, 19715700, 35549317, 55265017, 90814334, 146079351, 2428083950, 2574163301, 5002247251, 7576410552, 12578657803 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28452235718108270, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 28452235718108270*a(n-38) - a(n-76) for n>75. [Bruno Berselli, Nov 22 2013]
MATHEMATICA
Numerator[Convergents[Sqrt[669], 30]] (* Vincenzo Librandi, Nov 21 2013 *)
CROSSREFS
Cf. A042287.
Sequence in context: A042282 A042280 A042284 * A042288 A042290 A042292
KEYWORD
nonn,cofr,frac,easy
AUTHOR
STATUS
approved

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Last modified July 16 10:51 EDT 2024. Contains 374345 sequences. (Running on oeis4.)