Sum of powers of roots of x^3 - 4*x^2 + x + 1.

Terms

a(0) =3a(1) =4a(2) =14a(3) =49a(4) =178a(5) =649a(6) =2369a(7) =8649a(8) =31578a(9) =115294a(10) =420949a(11) =1536924a(12) =5611453a(13) =20487939a(14) =74803379a(15) =273114124a(16) =997165178a(17) =3640743209a(18) =13292693534a(19) =48532865749a(20) =177198026253a(21) =646966545729