Numerators of convergents to the Dottie number, A003957.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =14a(5) =17a(6) =694a(7) =711a(8) =7093a(9) =29083a(10) =65259a(11) =94342a(12) =1480389a(13) =3055120a(14) =38141829a(15) =41196949a(16) =903277758a(17) =944474707a(18) =16959347777a(19) =882830559111