Imaginary part of (4 + 3i)^n.

Terms

a(0) =3a(1) =24a(2) =117a(3) =336a(4) =-237a(5) =-10296a(6) =-76443a(7) =-354144a(8) =-922077a(9) =1476984a(10) =34867797a(11) =242017776a(12) =1064447283a(13) =2465133864a(14) =-6890111163a(15) =-116749235904a(16) =-761741108157