Pisot sequences L(2,5), E(2,5).

Terms

a(0) =2a(1) =5a(2) =13a(3) =34a(4) =89a(5) =233a(6) =610a(7) =1597a(8) =4181a(9) =10946a(10) =28657a(11) =75025a(12) =196418a(13) =514229a(14) =1346269a(15) =3524578a(16) =9227465a(17) =24157817a(18) =63245986a(19) =165580141a(20) =433494437a(21) =1134903170a(22) =2971215073a(23) =7778742049a(24) =20365011074a(25) =53316291173a(26) =139583862445a(27) =365435296162a(28) =956722026041