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A042242 Numerators of continued fraction convergents to sqrt(647). 2
25, 51, 178, 407, 992, 1399, 2391, 10963, 276466, 1116827, 1393293, 2510120, 6413533, 15337186, 52425091, 120187368, 6061793491, 12243774350, 42793116541, 97830007432, 238453131405, 336283138837 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

MATHEMATICA

Numerator[Convergents[Sqrt[647], 30]] (* Vincenzo Librandi, Nov 19 2013 *)

CROSSREFS

Cf. A042243.

Sequence in context: A273868 A270693 A042240 * A042244 A042246 A042248

Adjacent sequences:  A042239 A042240 A042241 * A042243 A042244 A042245

KEYWORD

nonn,cofr,frac,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 21 07:18 EST 2018. Contains 299390 sequences. (Running on oeis4.)