OFFSET
0,2
LINKS
Michael De Vlieger, Table of n, a(n) for n = 0..3320
Index entries for linear recurrences with constant coefficients, signature (1,2).
FORMULA
Inverse binomial transform of A133648.
From R. J. Mathar, Dec 13 2008: (Start)
a(n) = A062092(n), n > 1.
G.f.: (1+2x)*(1+x+x^2)/((1-2x)*(1+x)). (End)
EXAMPLE
a(3) = (-1, 3, -3, 1) dot (1, 5, 18, 59) = (-1, 15, -54, 59), where A133648 = (1, 5, 18, 59, 184, 561, ...).
MATHEMATICA
CoefficientList[Series[(1 + 2 x) (1 + x + x^2)/((1 - 2 x) (1 + x)), {x, 0, 33}], x] (* Michael De Vlieger, Mar 23 2022 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Gary W. Adamson, Sep 19 2007
STATUS
approved