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

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =0a(5) =-4a(6) =0a(7) =-2a(8) =0a(9) =26a(10) =0a(11) =0a(12) =80a(13) =352a(14) =912a(15) =0a(16) =16a(17) =0a(18) =-1936a(19) =-11552a(20) =-40368a(21) =0a(22) =0a(23) =-3904a(24) =-38528a(25) =-176832a(26) =-560896a(27) =-1424960a(28) =0a(29) =-272