Numerators in expansion of (1+x-sqrt(1-x^2))/(x(1-x)).

Terms

a(0) =1a(1) =3a(2) =3a(3) =13a(4) =13a(5) =27a(6) =27a(7) =221a(8) =221a(9) =449a(10) =449a(11) =1817a(12) =1817a(13) =3667a(14) =3667a(15) =59101a(16) =59101a(17) =118917a(18) =118917a(19) =478099a(20) =478099a(21) =960397a(22) =960397a(23) =7712569a(24) =7712569a(25) =15477141a(26) =15477141a(27) =62094289a(28) =62094289a(29) =124522883