Fibonacci sequence beginning 3, 8.

Terms

a(0) =3a(1) =8a(2) =11a(3) =19a(4) =30a(5) =49a(6) =79a(7) =128a(8) =207a(9) =335a(10) =542a(11) =877a(12) =1419a(13) =2296a(14) =3715a(15) =6011a(16) =9726a(17) =15737a(18) =25463a(19) =41200a(20) =66663a(21) =107863a(22) =174526a(23) =282389a(24) =456915a(25) =739304a(26) =1196219a(27) =1935523a(28) =3131742a(29) =5067265