A triangle related to the a(n) formulas of the rows of the ED3 array A167572.

Terms

a(0) =1a(1) =6a(2) =-1a(3) =20a(4) =0a(5) =3a(6) =56a(7) =28a(8) =98a(9) =-15a(10) =144a(11) =192a(12) =1080a(13) =-48a(14) =105a(15) =352a(16) =880a(17) =7568a(18) =2024a(19) =6534a(20) =-945a(21) =832a(22) =3328a(23) =40976a(24) =31616a(25) =132444a(26) =-8112a(27) =10395a(28) =1920a(29) =11200