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A042492
Numerators of continued fraction convergents to sqrt(774).
2
27, 28, 139, 167, 306, 779, 1085, 1864, 8541, 10405, 570411, 580816, 2893675, 3474491, 6368166, 16210823, 22578989, 38789812, 177738237, 216528049, 11870252883, 12086780932, 60217376611, 72304157543, 132521534154, 337347225851, 469868760005, 807215985856
OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 20810, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
G.f.: -(x^19 -27*x^18 +28*x^17 -139*x^16 +167*x^15 -306*x^14 +779*x^13 -1085*x^12 +1864*x^11 -8541*x^10 -10405*x^9 -8541*x^8 -1864*x^7 -1085*x^6 -779*x^5 -306*x^4 -167*x^3 -139*x^2 -28*x -27) / (x^20 -20810*x^10 +1). - Colin Barker, Dec 15 2013
MATHEMATICA
Numerator[Convergents[Sqrt[774], 30]] (* Vincenzo Librandi, Nov 25 2013 *)
CROSSREFS
Sequence in context: A042486 A290276 A338447 * A042490 A042496 A042494
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 15 2013
STATUS
approved