Fibonacci sequence beginning 1, 13.

Terms

a(0) =1a(1) =13a(2) =14a(3) =27a(4) =41a(5) =68a(6) =109a(7) =177a(8) =286a(9) =463a(10) =749a(11) =1212a(12) =1961a(13) =3173a(14) =5134a(15) =8307a(16) =13441a(17) =21748a(18) =35189a(19) =56937a(20) =92126a(21) =149063a(22) =241189a(23) =390252a(24) =631441a(25) =1021693a(26) =1653134a(27) =2674827a(28) =4327961a(29) =7002788