Denominators of continued fraction convergents to sqrt(690).

Terms

a(0) =1a(1) =3a(2) =4a(3) =11a(4) =15a(5) =56a(6) =2927a(7) =8837a(8) =11764a(9) =32365a(10) =44129a(11) =164752a(12) =8611233a(13) =25998451a(14) =34609684a(15) =95217819a(16) =129827503a(17) =484700328a(18) =25334244559a(19) =76487434005a(20) =101821678564a(21) =280130791133a(22) =381952469697