-4782969
domain: Z
Appears in sequences
- Expansion of bracket function.at n=27A000748
- a(n) = Sum_{j=0..floor(n/3)} (-1)^j*binomial(n,3*j).at n=29A057681
- a(n) = Sum_{j=0..floor(n/3)} (-1)^j*binomial(n,3*j+1).at n=30A057682
- A transform of the Jacobsthal numbers.at n=30A103312
- Expansion of (1+2*x)/(1+3*x+3*x^2).at n=28A123877
- A triangular sequence from the Z/nZ matrix addition tables as in sequence A095897 as coefficients of characteristic polynomials: M(n,m)=Mod[n + m, d] for n <=m<=d.at n=46A138064
- a(n) = 3*a(n-2) for n > 2; a(1) = 3, a(2) = -1.at n=29A162852
- Expansion of (4+3*x)/(1+3*x).at n=13A256096
- Numerators of the coefficients in the expansion of 1/W(x) - 1/x where W(x) is the Lambert W function.at n=9A264234