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A042205 Denominators of continued fraction convergents to sqrt(628). 2
1, 16, 17, 50, 267, 1118, 2503, 3621, 9745, 23111, 79078, 102189, 385645, 4729929, 14575432, 19305361, 72491515, 164288391, 401068297, 565356688, 1531781673, 6692483380, 34994198573, 76680880526, 111675079099, 1863482146110, 93285782384599, 1494436000299694 (list; graph; refs; listen; history; text; internal format)
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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 93397457463698, 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) = 93397457463698*a(n-26) - a(n-52) for n>51. - Vincenzo Librandi, Jan 16 2014
MATHEMATICA
Denominator[Convergents[Sqrt[628], 30]] (* Harvey P. Dale, Sep 05 2013 *)
CROSSREFS
Cf. A042204.
Sequence in context: A052059 A041526 A041524 * A041522 A097221 A097220
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 16 2014
STATUS
approved

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Last modified March 29 11:45 EDT 2024. Contains 371278 sequences. (Running on oeis4.)