OFFSET
1,2
COMMENTS
The corresponding values of y of this Pell equation are in A174983.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..200
Index entries for linear recurrences with constant coefficients, signature (132498,-1).
FORMULA
a(n) = 132498*a(n-1)-a(n-2) with a(1)=1, a(2)=66249.
G.f.: x*(1-66249*x)/(1-132498*x+x^2)
MATHEMATICA
LinearRecurrence[{132498, -1}, {1, 66249}, 30]
PROG
(Magma) I:=[1, 66249]; [n le 2 select I[n] else 132498*Self(n-1)-Self(n-2): n in [1..20]];
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Apr 13 2010
STATUS
approved