OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (2, -2, 1).
FORMULA
From Chai Wah Wu, Jun 07 2016: (Start)
a(n) = 2*a(n-1) - 2*a(n-2) + a(n-3) for n > 2.
G.f.: x*(1 + 3*x)/((1 - x)*(1 - x + x^2)). (End)
EXAMPLE
0.0158730158730158730158730158...
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
STATUS
approved