Pisot sequence T(3,16).

Terms

a(0) =3a(1) =16a(2) =85a(3) =451a(4) =2392a(5) =12686a(6) =67280a(7) =356818a(8) =1892376a(9) =10036172a(10) =53226604a(11) =282286052a(12) =1497097488a(13) =7939821584a(14) =42108658448a(15) =223322287224