Denominators of continued fraction convergents to sqrt(397).

Terms

a(0) =1a(1) =1a(2) =13a(3) =40a(4) =173a(5) =1597a(6) =1770a(7) =5137a(8) =6907a(9) =18951a(10) =25858a(11) =44809a(12) =115476a(13) =160285a(14) =436046a(15) =596331a(16) =5803025a(17) =23808431a(18) =77228318a(19) =950548247a(20) =1027776565a(21) =40006057717a(22) =41033834282a(23) =532412069101