OFFSET
0,3
COMMENTS
Inverse binomial transform of A083086.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..300
Index entries for linear recurrences with constant coefficients, signature (-4,5).
FORMULA
a(n) = (2+(-5)^n)/3.
G.f.: (1+3*x)/((1+5*x)*(1-x)).
E.g.f.: (2*exp(x)+exp(-5*x))/3.
a(n) = -5*a(n-1) + 4. - Vincenzo Librandi, Nov 12 2011
MAPLE
MATHEMATICA
Table[(2 + (-5)^n)/3, {n, 0, 30}] (* Wesley Ivan Hurt, Nov 02 2014 *)
PROG
(Magma) [(2+(-5)^n)/3: n in [0..30]]; // Vincenzo Librandi, Nov 12 2011
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Paul Barry, Apr 23 2003
STATUS
approved