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”).

A041555
Denominators of continued fraction convergents to sqrt(295).
2
1, 5, 6, 17, 57, 131, 843, 1817, 6294, 14405, 20699, 117900, 4029299, 20264395, 24293694, 68851783, 230849043, 530549869, 3414148257, 7358846383, 25490687406, 58340221195, 83830908601, 477494764200, 16318652891401, 82070759221205, 98389412112606
OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,0,0,4049998,0,0,0,0,0,0,0,0,0,0,0,-1).
FORMULA
a(n) = 4049998*a(n-12) - a(n-24). - Wesley Ivan Hurt, Jan 20 2024
MATHEMATICA
Denominator[Convergents[Sqrt[295], 30]] (* Vincenzo Librandi, Dec 20 2013 *)
CROSSREFS
Cf. A041554.
Sequence in context: A120034 A094425 A078981 * A041747 A180134 A192727
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Dec 20 2013
STATUS
approved