OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (3,-4,4,-2).
FORMULA
a(n)-a(n-1) = A077943(n). - R. J. Mathar, Mar 13 2021
MATHEMATICA
CoefficientList[Series[(1-x)^(-1)/(1-2x+2x^2-2x^3), {x, 0, 40}], x] (* Harvey P. Dale, Mar 31 2011 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Nov 17 2002
STATUS
approved