OFFSET
1,2
COMMENTS
The corresponding values of x of this Pell equation are in A099397.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..200
Index entries for linear recurrences with constant coefficients, signature (102,-1).
FORMULA
a(n) = 102*a(n-1)-a(n-2) with a(1)=0, a(2)=10.
G.f.: 10*x^2/(1-102*x+x^2).
a(n+1) = A041041(2*n-1). - Michael Somos, Oct 25 2022
MATHEMATICA
LinearRecurrence[{102, -1}, {0, 10}, 30]
a[ n_] := Fibonacci[2*n-2, 10]; (* Michael Somos, Oct 25 2022 *)
PROG
(Magma) I:=[0, 10]; [n le 2 select I[n] else 102*Self(n-1)-Self(n-2): n in [1..20]];
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Apr 14 2010
STATUS
approved