Numerators of continued fraction convergents to sqrt(397).

Terms

a(0) =19a(1) =20a(2) =259a(3) =797a(4) =3447a(5) =31820a(6) =35267a(7) =102354a(8) =137621a(9) =377596a(10) =515217a(11) =892813a(12) =2300843a(13) =3193656a(14) =8688155a(15) =11881811a(16) =115624454a(17) =474379627a(18) =1538763335a(19) =18939539647a(20) =20478302982a(21) =797115052963a(22) =817593355945