Column 0 of triangle A118435.

Terms

a(0) =1a(1) =1a(2) =-3a(3) =-11a(4) =25a(5) =41a(6) =-43a(7) =29a(8) =-335a(9) =-1199a(10) =3117a(11) =6469a(12) =-10295a(13) =-8839a(14) =-16123a(15) =-108691a(16) =354145a(17) =873121a(18) =-1721763a(19) =-2521451a(20) =1476985a(21) =-6699319a(22) =34182197a(23) =103232189a(24) =-242017775a(25) =-451910159a(26) =597551757a(27) =130656229a(28) =2465133865a(29) =10513816601