Numerators b(n) of Pythagorean approximations b(n)/a(n) to 1/2.

Terms

a(0) =0a(1) =3a(2) =5a(3) =8a(4) =39a(5) =105a(6) =136a(7) =715a(8) =1869a(9) =2448a(10) =12815a(11) =33553a(12) =43920a(13) =229971a(14) =602069a(15) =788120a(16) =4126647a(17) =10803705a(18) =14142232a(19) =74049691a(20) =193864605a(21) =253772064a(22) =1328767775a(23) =3478759201a(24) =4553754912a(25) =23843770275a(26) =62423800997a(27) =81713816360a(28) =427859097159