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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
OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 316141343972498, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
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: A309829 A037308 A041828 * A041832 A082260 A041834
KEYWORD
nonn,cofr,frac,easy,less
AUTHOR
STATUS
approved