a(n) = 3*a(n-1) - 4*a(n-2) with a(0) = 2, a(1) = 3.

Terms

a(0) =2a(1) =3a(2) =1a(3) =-9a(4) =-31a(5) =-57a(6) =-47a(7) =87a(8) =449a(9) =999a(10) =1201a(11) =-393a(12) =-5983a(13) =-16377a(14) =-25199a(15) =-10089a(16) =70529a(17) =251943a(18) =473713a(19) =413367a(20) =-654751a(21) =-3617721a(22) =-8234159a(23) =-10231593a(24) =2241857a(25) =47651943a(26) =133988401a(27) =211357431a(28) =98118689a(29) =-551073657