Pisot sequence P(4,6).

Terms

a(0) =4a(1) =6a(2) =9a(3) =13a(4) =19a(5) =28a(6) =41a(7) =60a(8) =88a(9) =129a(10) =189a(11) =277a(12) =406a(13) =595a(14) =872a(15) =1278a(16) =1873a(17) =2745a(18) =4023a(19) =5896a(20) =8641a(21) =12664a(22) =18560a(23) =27201a(24) =39865a(25) =58425a(26) =85626a(27) =125491a(28) =183916a(29) =269542