Real part of (3 + 2i)^n.

Terms

a(0) =1a(1) =3a(2) =5a(3) =-9a(4) =-119a(5) =-597a(6) =-2035a(7) =-4449a(8) =-239a(9) =56403a(10) =341525a(11) =1315911a(12) =3455641a(13) =3627003a(14) =-23161315a(15) =-186118929a(16) =-815616479a(17) =-2474152797a(18) =-4241902555a(19) =6712571031a(20) =95420159401a(21) =485257533003a(24) =584824319281