Pisot sequence T(3,7), a(n) = floor(a(n-1)^2/a(n-2)).

Terms

a(0) =3a(1) =7a(2) =16a(3) =36a(4) =81a(5) =182a(6) =408a(7) =914a(8) =2047a(9) =4584a(10) =10265a(11) =22986a(12) =51471a(13) =115255a(14) =258081a(15) =577899a(16) =1294040a(17) =2897633a(18) =6488421a(19) =14528964a(20) =32533461a(21) =72849384a(22) =163125366a(23) =365272615a(24) =817923579a(25) =1831505986a(26) =4101133972a(27) =9183316890a(28) =20563412382a(29) =46045882316