Pisot sequence T(4,7).

Terms

a(0) =4a(1) =7a(2) =12a(3) =20a(4) =33a(5) =54a(6) =88a(7) =143a(8) =232a(9) =376a(10) =609a(11) =986a(12) =1596a(13) =2583a(14) =4180a(15) =6764a(16) =10945a(17) =17710a(18) =28656a(19) =46367a(20) =75024a(21) =121392a(22) =196417a(23) =317810a(24) =514228a(25) =832039a(26) =1346268a(27) =2178308a(28) =3524577a(29) =5702886