OFFSET
1,1
COMMENTS
All terms are multiples of 378.
LINKS
Colin Barker, Table of n, a(n) for n = 1..150
Index entries for linear recurrences with constant coefficients, signature (571538,-1).
FORMULA
a(n) = 571538*a(n-1)-a(n-2).
G.f.: 378*x*(x+1) / (x^2-571538*x+1).
MATHEMATICA
LinearRecurrence[{571538, -1}, {378, 216041742}, 20] (* Harvey P. Dale, Jul 10 2019 *)
PROG
(PARI) Vec(378*x*(x+1)/(x^2-571538*x+1) + O(x^30))
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Colin Barker, Aug 25 2013
STATUS
approved