Denominators of continued fraction convergents to sqrt(644).

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =8a(5) =53a(6) =61a(7) =114a(8) =175a(9) =464a(10) =23375a(11) =47214a(12) =70589a(13) =117803a(14) =188392a(15) =1248155a(16) =1436547a(17) =2684702a(18) =4121249a(19) =10927200a(20) =550481249a(21) =1111889698a(22) =1662370947a(23) =2774260645a(24) =4436631592a(25) =29394050197a(26) =33830681789a(27) =63224731986a(28) =97055413775a(29) =257335559536