Denominators of continued fraction convergents to sqrt(668).

Terms

a(0) =1a(1) =1a(2) =6a(3) =13a(4) =162a(5) =337a(6) =1847a(7) =2184a(8) =111047a(9) =113231a(10) =677202a(11) =1467635a(12) =18288822a(13) =38045279a(14) =208515217a(15) =246560496a(16) =12536540017a(17) =12783100513a(18) =76452042582a(19) =165687185677