Numerators of continued fraction convergents to sqrt(636).

Terms

a(0) =25a(1) =101a(2) =126a(3) =227a(4) =807a(5) =2648a(6) =32583a(7) =100397a(8) =333774a(9) =434171a(10) =767945a(11) =3505951a(12) =176065495a(13) =707767931a(14) =883833426a(15) =1591601357a(16) =5658637497a(17) =18567513848a(18) =228468803673a(19) =703973924867