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A042725 Denominators of continued fraction convergents to sqrt(892). 2
1, 1, 7, 15, 217, 449, 2911, 3360, 197791, 201151, 1404697, 3010545, 43552327, 90115199, 584243521, 674358720, 39697049281, 40371408001, 281925497287, 604222402575, 8741039133337, 18086300669249, 117258843148831, 135345143818080, 7967277184597471 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 200702, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
G.f.: -(x^14 -x^13 +7*x^12 -15*x^11 +217*x^10 -449*x^9 +2911*x^8 -3360*x^7 -2911*x^6 -449*x^5 -217*x^4 -15*x^3 -7*x^2 -x -1) / ((x^8 -448*x^4 +1)*(x^8 +448*x^4 +1)). - Colin Barker, Dec 22 2013
MATHEMATICA
Denominator[Convergents[Sqrt[892], 30]] (* Vincenzo Librandi, Jan 27 2014 *)
CROSSREFS
Sequence in context: A068366 A156499 A137881 * A041096 A248275 A007541
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 22 2013
STATUS
approved

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)