Order of Fibonacci group F(n,3) (or 0 if the group is infinite).

Terms

a(0) =0a(1) =8a(2) =2a(3) =63a(4) =0a(5) =5a(6) =342a(7) =0a(8) =8a(9) =999a(10) =0a(11) =11a(12) =2196a(13) =0a(14) =14a(15) =4095a(16) =0a(17) =17a(18) =6858a(19) =0a(20) =20a(21) =10647a(22) =0a(23) =23a(24) =15624a(25) =0a(26) =26a(27) =21951a(28) =0a(29) =29