Triangle read by rows: terms of a binomial decomposition of 1 as Sum(k=0..n)T(n,k).

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =-2a(5) =3a(6) =0a(7) =3a(8) =-18a(9) =16a(10) =0a(11) =-4a(12) =72a(13) =-192a(14) =125a(15) =0a(16) =5a(17) =-240a(18) =1440a(19) =-2500a(20) =1296a(21) =0a(22) =-6a(23) =720a(24) =-8640a(25) =30000a(26) =-38880a(27) =16807a(28) =0a(29) =7