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A042612
Numerators of continued fraction convergents to sqrt(835).
2
28, 29, 260, 289, 549, 838, 4739, 5577, 21470, 69987, 91457, 161444, 414345, 2233169, 4880683, 7113852, 11994535, 43097457, 141286906, 184384363, 1063208721, 1247593084, 2310801805, 3558394889
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, 68672711612, 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) = 68672711612*a(n-26) - a(n-52) for n>51. [Bruno Berselli, Nov 30 2013]
MATHEMATICA
Numerator[Convergents[Sqrt[835], 30]] (* Vincenzo Librandi, Nov 29 2013 *)
CROSSREFS
Cf. A042613.
Sequence in context: A042606 A042608 A042610 * A042614 A042616 A042618
KEYWORD
nonn,cofr,frac,easy
AUTHOR
STATUS
approved