login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A041669
Denominators of continued fraction convergents to sqrt(353).
2
1, 1, 4, 5, 14, 19, 33, 52, 85, 137, 222, 581, 803, 2990, 3793, 139538, 143331, 569531, 712862, 1995255, 2708117, 4703372, 7411489, 12114861, 19526350, 31641211, 82808772, 114449983, 426158721, 540608704, 19888072065, 20428680769, 81174114372, 101602795141
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 142528, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
FORMULA
a(n) = 142528*a(n-15) + a(n-30) for n>29. - Vincenzo Librandi, Dec 22 2013
MATHEMATICA
Denominator[Convergents[Sqrt[353], 30]] (* Vincenzo Librandi, Dec 22 2013 *)
CROSSREFS
Cf. A041668.
Sequence in context: A302348 A029862 A092432 * A300278 A129720 A041089
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Dec 22 2013
STATUS
approved