Fibonacci sequence beginning 2, 30.

Terms

a(0) =2a(1) =30a(2) =32a(3) =62a(4) =94a(5) =156a(6) =250a(7) =406a(8) =656a(9) =1062a(10) =1718a(11) =2780a(12) =4498a(13) =7278a(14) =11776a(15) =19054a(16) =30830a(17) =49884a(18) =80714a(19) =130598a(20) =211312a(21) =341910a(22) =553222a(23) =895132a(24) =1448354a(25) =2343486a(26) =3791840a(27) =6135326a(28) =9927166a(29) =16062492