OFFSET
1,2
COMMENTS
The corresponding values of x of this Pell equation are in A174762.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..100
N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)
Index entries for linear recurrences with constant coefficients, signature (3532638098,-1).
FORMULA
a(n) = 3532638098*a(n-1)-a(n-2) with a(1)=0, a(2)=226153980.
G.f.: 226153980*x^2/(1-3532638098*x+x^2).
MATHEMATICA
LinearRecurrence[{3532638098, -1}, {0, 226153980}, 20]
PROG
(Magma) I:=[0, 226153980]; [n le 2 select I[n] else 3532638098*Self(n-1)-Self(n-2): n in [1..10]];
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Apr 16 2010
STATUS
approved