A129065 with v=n instead of v=1: recursive polynomial coefficient triangle.

Terms

a(0) =1a(1) =0a(2) =1a(3) =-1a(4) =-1a(5) =1a(6) =2a(7) =-3a(8) =-3a(9) =1a(10) =3a(11) =20a(12) =-3a(13) =-6a(14) =1a(15) =-44a(16) =-29a(17) =80a(18) =5a(19) =-10a(20) =1a(21) =145a(22) =-399a(23) =-354a(24) =205a(25) =30a(26) =-15a(27) =1a(28) =714a(29) =3583