Numerators of continued fraction convergents to sqrt(428).

Terms

a(0) =20a(1) =21a(2) =62a(3) =269a(4) =331a(5) =1924a(6) =19571a(7) =99779a(8) =119350a(9) =577179a(10) =1273708a(11) =1850887a(12) =75309188a(13) =77160075a(14) =229629338a(15) =995677427a(16) =1225306765a(17) =7122211252a(18) =72447419285a(19) =369359307677a(20) =441806726962