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A041830 Numerators of continued fraction convergents to sqrt(436). 2
20, 21, 167, 355, 522, 877, 1399, 19064, 58591, 136246, 331083, 1791661, 2122744, 3914405, 17780364, 181718045, 744652544, 926370589, 1671023133, 9281486254, 20233995641, 49749477536, 169482428249 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

FORMULA

a(n) = 316141343972498*a(n-30) - a(n-60) for n>59. [Bruno Berselli, Nov 09 2013

MATHEMATICA

Numerator[Convergents[Sqrt[436], 30]] (* Vincenzo Librandi, Nov 09 2013 *)

CROSSREFS

Cf. A041831.

Sequence in context: A041824 A037308 A041828 * A041832 A082260 A041834

Adjacent sequences:  A041827 A041828 A041829 * A041831 A041832 A041833

KEYWORD

nonn,cofr,frac,easy,less

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified November 28 10:52 EST 2014. Contains 250322 sequences.