The convergent sequence B_n for the ternary continued fraction (3,1;2,2) of period 2.

Terms

a(0) =0a(1) =1a(2) =0a(3) =3a(4) =7a(5) =16a(6) =49a(7) =104a(8) =322a(9) =683a(10) =2114a(11) =4485a(12) =13881a(13) =29450a(14) =91147a(15) =193378a(16) =598500a(17) =1269781a(18) =3929940a(19) =8337783a(20) =25805227a(21) =54748516a(22) =169445269a(23) =359496044a(24) =1112631142a(25) =2360564543a(26) =7305887414a(27) =15500212185a(28) =47972763741a(29) =101779287710