Fibonacci sequence beginning 1, 25.

Terms

a(0) =1a(1) =25a(2) =26a(3) =51a(4) =77a(5) =128a(6) =205a(7) =333a(8) =538a(9) =871a(10) =1409a(11) =2280a(12) =3689a(13) =5969a(14) =9658a(15) =15627a(16) =25285a(17) =40912a(18) =66197a(19) =107109a(20) =173306a(21) =280415a(22) =453721a(23) =734136a(24) =1187857a(25) =1921993a(26) =3109850a(27) =5031843a(28) =8141693a(29) =13173536