Hankel transform of A174399.

Terms

a(0) =1a(1) =0a(2) =-1a(3) =-1a(4) =-1a(5) =-2a(6) =-1a(7) =3a(8) =7a(9) =8a(10) =25a(11) =37a(12) =-47a(13) =-318a(14) =-559a(15) =-2023a(16) =-7039a(17) =496a(18) =90431a(19) =314775a(20) =1139599a(21) =8007614a(22) =13512079a(23) =-154788437a(24) =-1247862041a(25) =-5097732072a(26) =-56844671623a(27) =-290379801907