OFFSET
1,2
COMMENTS
The corresponding values of y of this Pell equation are in A174851.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..200
Index entries for linear recurrences with constant coefficients, signature (48670,-1).
FORMULA
a(n) = 48670*a(n-1)-a(n-2) with a(1)=1, a(2)=24335.
G.f.: x*(1-24335*x)/(1-48670*x+x^2).
MATHEMATICA
LinearRecurrence[{48670, -1}, {1, 24335}, 30]
PROG
(Magma)I:=[1, 24335]; [n le 2 select I[n] else 48670*Self(n-1)-Self(n-2): n in [1..20]];
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Apr 13 2010
STATUS
approved