Denominators of continued fraction convergents to sqrt(490).

Terms

a(0) =1a(1) =7a(2) =15a(3) =22a(4) =103a(5) =434a(6) =1839a(7) =2273a(8) =6385a(9) =46968a(10) =2072977a(11) =14557807a(12) =31188591a(13) =45746398a(14) =214174183a(15) =902443130a(16) =3823946703a(17) =4726389833a(18) =13276726369a(19) =97663474416