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A042754 Numerators of continued fraction convergents to sqrt(908). 2
30, 211, 241, 452, 6569, 7021, 13590, 102151, 6142650, 43100701, 49243351, 92344052, 1342060079, 1434404131, 2776464210, 20869653601, 1254955680270, 8805559415491, 10060515095761, 18866074511252, 274185558253289, 293051632764541, 567237191017830 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,204302,0,0,0,0,0,0,0,-1).

FORMULA

G.f.: -(x^15 -30*x^14 +211*x^13 -241*x^12 +452*x^11 -6569*x^10 +7021*x^9 -13590*x^8 -102151*x^7 -13590*x^6 -7021*x^5 -6569*x^4 -452*x^3 -241*x^2 -211*x -30) / ((x^8 -452*x^4 +1)*(x^8 +452*x^4 +1)). - Colin Barker, Dec 22 2013

MATHEMATICA

Numerator[Convergents[Sqrt[908], 30]] (* Harvey P. Dale, Dec 15 2011 *)

CROSSREFS

Cf. A042755, A040877.

Sequence in context: A215627 A178672 A061661 * A215192 A244836 A076389

Adjacent sequences:  A042751 A042752 A042753 * A042755 A042756 A042757

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Dec 22 2013

STATUS

approved

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Last modified February 16 08:26 EST 2019. Contains 320159 sequences. (Running on oeis4.)