Sum of n-th powers of the roots of x^3 + 7*x^2 + 14*x + 7.

Terms

a(0) =3a(1) =-7a(2) =21a(3) =-70a(4) =245a(5) =-882a(6) =3234a(7) =-12005a(8) =44933a(9) =-169099a(10) =638666a(11) =-2417807a(12) =9167018a(13) =-34790490a(14) =132119827a(15) =-501941055a(16) =1907443237a(17) =-7249766678a(18) =27557748813a(19) =-104759610858a(20) =398257159370