Second-order Eulerian triangle T(n,k), 1 <= k <= n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =8a(5) =6a(6) =1a(7) =22a(8) =58a(9) =24a(10) =1a(11) =52a(12) =328a(13) =444a(14) =120a(15) =1a(16) =114a(17) =1452a(18) =4400a(19) =3708a(20) =720a(21) =1a(22) =240a(23) =5610a(24) =32120a(25) =58140a(26) =33984a(27) =5040a(28) =1a(29) =494