Fibonacci sequence beginning 1, 11.

Terms

a(0) =1a(1) =11a(2) =12a(3) =23a(4) =35a(5) =58a(6) =93a(7) =151a(8) =244a(9) =395a(10) =639a(11) =1034a(12) =1673a(13) =2707a(14) =4380a(15) =7087a(16) =11467a(17) =18554a(18) =30021a(19) =48575a(20) =78596a(21) =127171a(22) =205767a(23) =332938a(24) =538705a(25) =871643a(26) =1410348a(27) =2281991a(28) =3692339a(29) =5974330