Denominators of continued fraction convergents to sqrt(991).

Terms

a(0) =1a(1) =2a(2) =25a(3) =252a(4) =529a(5) =1310a(6) =3149a(7) =4459a(8) =7608a(9) =19675a(10) =125658a(11) =145333a(12) =270991a(13) =416324a(14) =687315a(15) =2478269a(16) =3165584a(17) =27802941a(18) =114377348a(19) =142180289a(20) =398737926a(21) =540918215a(22) =1480574356a(23) =4982641283a(24) =6463215639a(25) =30835503839a(26) =37298719478a(27) =776809893399