Numerators of continued fraction convergents to sqrt(685).

Terms

a(0) =26a(1) =131a(2) =157a(3) =602a(4) =759a(5) =9710a(6) =29889a(7) =69488a(8) =168865a(9) =576083a(10) =7081861a(11) =7657944a(12) =30055693a(13) =37713637a(14) =218623878a(15) =11406155293a(16) =57249400343a(17) =68655555636a(18) =263216067251a(19) =331871622887