Fibonacci sequence beginning 2, 10.

Terms

a(0) =2a(1) =10a(2) =12a(3) =22a(4) =34a(5) =56a(6) =90a(7) =146a(8) =236a(9) =382a(10) =618a(11) =1000a(12) =1618a(13) =2618a(14) =4236a(15) =6854a(16) =11090a(17) =17944a(18) =29034a(19) =46978a(20) =76012a(21) =122990a(22) =199002a(23) =321992a(24) =520994a(25) =842986a(26) =1363980a(27) =2206966a(28) =3570946a(29) =5777912