Numerators of continued fraction convergents to sqrt(19).

Terms

a(0) =4a(1) =9a(2) =13a(3) =48a(4) =61a(5) =170a(6) =1421a(7) =3012a(8) =4433a(9) =16311a(10) =20744a(11) =57799a(12) =483136a(13) =1024071a(14) =1507207a(15) =5545692a(16) =7052899a(17) =19651490a(18) =164264819a(19) =348181128a(20) =512445947a(21) =1885518969a(22) =2397964916a(23) =6681448801a(24) =55849555324