A094039 Binomial transform of (Jacobsthal(n) + 2^n*Jacobsthal(-n))/2.
0, 1, 2, 6, 16, 46, 132, 386, 1136, 3366, 10012, 29866, 89256, 267086, 799892, 2396946, 7185376, 21545206, 64613772, 193797626, 581305496, 1743741726, 5230875652, 15691927906, 47074385616, 141220360646, 423655489532
Offset: 0
Links
- Index entries for linear recurrences with constant coefficients, signature (4,-1,-6).
Formula
G.f.: x(1-2x-x^2)/((1+x)(1-2x)(1-3x))
a(n) = 3^n/6 - (-1)^n/6 + 2^n/6 - 0^n/6.
Comments