Numerators of continued fraction convergents to sqrt(416).

Terms

a(0) =20a(1) =41a(2) =61a(3) =102a(4) =979a(5) =1081a(6) =2060a(7) =5201a(8) =210100a(9) =425401a(10) =635501a(11) =1060902a(12) =10183619a(13) =11244521a(14) =21428140a(15) =54100801a(16) =2185460180a(17) =4425021161a(18) =6610481341a(19) =11035502502a(20) =105930003859a(21) =116965506361a(22) =222895510220a(23) =562756526801