Triangle of trinomial logarithmic coefficients: A027907(n,k) = Sum_{i=0..k} T(k,i)*n^i/k!.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =-4a(8) =3a(9) =1a(10) =0a(11) =6a(12) =-13a(13) =6a(14) =1a(15) =0a(16) =24a(17) =-10a(18) =-25a(19) =10a(20) =1a(21) =0a(22) =-240a(23) =394a(24) =-135a(25) =-35a(26) =15a(27) =1a(28) =0a(29) =720