Sums of powers of roots of x^4 - 2*x^3 - 6*x^2 + 2*x + 1.

Terms

a(0) =4a(1) =2a(2) =16a(3) =38a(4) =164a(5) =522a(6) =1936a(7) =6638a(8) =23684a(9) =82802a(10) =292496a(11) =1027798a(12) =3621284a(13) =12741562a(14) =44862736a(15) =157904478a(16) =555880964a(17) =1956721762a(18) =6888057616a(19) =24246779398a(20) =85352580004a(21) =300452999402