Pisot sequence T(2,5), a(n) = floor(a(n-1)^2/a(n-2)).

Terms

a(0) =2a(1) =5a(2) =12a(3) =28a(4) =65a(5) =150a(6) =346a(7) =798a(8) =1840a(9) =4242a(10) =9779a(11) =22543a(12) =51967a(13) =119796a(14) =276157a(15) =636604a(16) =1467515a(17) =3382951a(18) =7798460a(19) =17977197a(20) =41441465a(21) =95531857a(22) =220222323a(23) =507661769a(24) =1170274058a(25) =2697743762a(26) =6218903474a(27) =14335965099a(28) =33047609788a(29) =76182140871