Triangle read by rows, generalized Eulerian polynomials evaluated at x = 1.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =2a(5) =8a(6) =0a(7) =6a(8) =48a(9) =162a(10) =0a(11) =24a(12) =384a(13) =1944a(14) =6144a(15) =0a(16) =120a(17) =3840a(18) =29160a(19) =122880a(20) =375000a(21) =0a(22) =720a(23) =46080a(24) =524880a(25) =2949120a(26) =11250000a(27) =33592320a(28) =0a(29) =5040