a(n) = 3*a(n-1) - 5*a(n-2), with a(0)=0, a(1)=1.

Terms

a(0) =0a(1) =1a(2) =3a(3) =4a(4) =-3a(5) =-29a(6) =-72a(7) =-71a(8) =147a(9) =796a(10) =1653a(11) =979a(12) =-5328a(13) =-20879a(14) =-35997a(15) =-3596a(16) =169197a(17) =525571a(18) =730728a(19) =-435671a(20) =-4960653a(21) =-12703604a(22) =-13307547a(23) =23595379a(24) =137323872a(25) =293994721a(26) =195364803a(27) =-883879196a(28) =-3628461603a(29) =-6465988829