Numerator of moments of Chebyshev U- (or S-) polynomials.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =0a(6) =5a(7) =0a(8) =7a(9) =0a(10) =21a(11) =0a(12) =33a(13) =0a(14) =429a(15) =0a(16) =715a(17) =0a(18) =2431a(19) =0a(20) =4199a(21) =0a(22) =29393a(23) =0a(24) =52003a(25) =0a(26) =185725a(27) =0a(28) =334305a(29) =0