login
A042305
Denominators of continued fraction convergents to sqrt(679).
2
1, 17, 35, 52, 295, 2412, 2707, 5119, 130682, 135801, 266483, 2267665, 11604808, 13872473, 39349754, 682818291, 35545900886, 604963133353, 1245472167592, 1850435300945, 10497648672317, 85831624679481, 96329273351798, 182160898031279, 4650351724133773
OFFSET
0,2
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, 35585250640, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 35585250640*a(n-16) - a(n-32) for n>31. - Vincenzo Librandi, Jan 19 2014
MATHEMATICA
Denominator[Convergents[Sqrt[679], 30]] (* Vincenzo Librandi, Jan 19 2014 *)
CROSSREFS
Cf. A042304.
Sequence in context: A360573 A271536 A041568 * A041566 A004921 A239129
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 19 2014
STATUS
approved