OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (52, 1).
FORMULA
a(n) = 52*a(n-1)+a(n-2) for n>1, a(0)=26, a(1)=1353. G.f.: (26+x)/(1-52*x -x^2). [Philippe Deléham, Nov 23 2008]
MATHEMATICA
Numerator[Convergents[Sqrt[677], 30]] (* or *) LinearRecurrence[{52, 1}, {26, 1353}, 30] (* Harvey P. Dale, Nov 09 2011 *)
PROG
(Magma) I:=[26, 1353]; [n le 2 select I[n] else 52*Self(n-1)+Self(n-2): n in [1..30]]; // Vincenzo Librandi, Nov 21 2013
CROSSREFS
KEYWORD
nonn,cofr,frac,easy
AUTHOR
EXTENSIONS
Additional term from Colin Barker, Dec 07 2013
STATUS
approved