Column 1 of triangle A370041.

Terms

a(0) =1a(1) =0a(2) =-3a(3) =6a(4) =6a(5) =-18a(6) =-4a(7) =36a(8) =11a(9) =-74a(10) =-30a(11) =178a(12) =40a(13) =-366a(14) =-42a(15) =680a(16) =79a(17) =-1264a(18) =-110a(19) =2320a(20) =75a(21) =-4070a(22) =-7a(23) =6938a(24) =-96a(25) =-11650a(26) =413a(27) =19276a(28) =-1157a(29) =-31296