Column 0 of triangle A118438.

Terms

a(0) =1a(1) =-1a(2) =5a(3) =11a(4) =-23a(5) =-41a(6) =45a(7) =-29a(8) =337a(9) =1199a(10) =-3115a(11) =-6469a(12) =10297a(13) =8839a(14) =16125a(15) =108691a(16) =-354143a(17) =-873121a(18) =1721765a(19) =2521451a(20) =-1476983a(21) =6699319a(22) =-34182195a(23) =-103232189a(24) =242017777a(25) =451910159a(26) =-597551755a(27) =-130656229a(28) =-2465133863a(29) =-10513816601