Numerators of continued fraction convergents to sqrt(491).

Terms

a(0) =22a(1) =133a(2) =421a(3) =1817a(4) =14957a(5) =16774a(6) =31731a(7) =48505a(8) =128741a(9) =177246a(10) =305987a(11) =6602973a(12) =6908960a(13) =13511933a(14) =33932826a(15) =47444759a(16) =81377585a(17) =128822344a(18) =1111956337a(19) =4576647692a(20) =14841899413a(21) =93628044170