Sums of powers of roots of x^3 - 2*x^2 - x - 2.

Terms

a(0) =3a(1) =2a(2) =6a(3) =20a(4) =50a(5) =132a(6) =354a(7) =940a(8) =2498a(9) =6644a(10) =17666a(11) =46972a(12) =124898a(13) =332100a(14) =883042a(15) =2347980a(16) =6243202a(17) =16600468a(18) =44140098a(19) =117367068a(20) =312075170a(21) =829797604a(22) =2206404514a(23) =5866756972a(24) =15599513666a(25) =41478593332a(26) =110290214274