Denominators of continued fraction convergents to sqrt(909).

Terms

a(0) =1a(1) =6a(2) =7a(3) =20a(4) =127a(5) =274a(6) =401a(7) =2680a(8) =161201a(9) =969886a(10) =1131087a(11) =3232060a(12) =20523447a(13) =44278954a(14) =64802401a(15) =433093360a(16) =26050404001a(17) =156735517366a(18) =182785921367a(19) =522307360100