Denominators of continued fraction convergents to sqrt(685).

Terms

a(0) =1a(1) =5a(2) =6a(3) =23a(4) =29a(5) =371a(6) =1142a(7) =2655a(8) =6452a(9) =22011a(10) =270584a(11) =292595a(12) =1148369a(13) =1440964a(14) =8353189a(15) =435806792a(16) =2187387149a(17) =2623193941a(18) =10056968972a(19) =12680162913a(20) =162218923928a(21) =499336934697