OFFSET
1,2
LINKS
Colin Barker, Table of n, a(n) for n = 1..500
Index entries for linear recurrences with constant coefficients, signature (121,-2220,12100,-10000).
FORMULA
From Colin Barker, Oct 03 2015: (Start)
a(n) = 121*a(n-1)-2220*a(n-2)+12100*a(n-3)-10000*a(n-4) for n>4.
G.f.: x / ((x-1)*(10*x-1)^2*(100*x-1)).
(End)
PROG
(PARI) Vec(x / ((x-1)*(10*x-1)^2*(100*x-1)) + O(x^30)) \\ Colin Barker, Oct 03 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Mark Dols, Aug 13 2010
STATUS
approved