Pisot sequences L(4,6), E(4,6).

Terms

a(0) =4a(1) =6a(2) =9a(3) =14a(4) =22a(5) =35a(6) =56a(7) =90a(8) =145a(9) =234a(10) =378a(11) =611a(12) =988a(13) =1598a(14) =2585a(15) =4182a(16) =6766a(17) =10947a(18) =17712a(19) =28658a(20) =46369a(21) =75026a(22) =121394a(23) =196419a(24) =317812a(25) =514230a(26) =832041a(27) =1346270a(28) =2178310a(29) =3524579