Coefficients of the Omega polynomials of order 3, triangle T(n,k) read by rows with 0<=k<=n.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =-9a(5) =10a(6) =0a(7) =477a(8) =-756a(9) =280a(10) =0a(11) =-74601a(12) =142362a(13) =-83160a(14) =15400a(15) =0a(16) =25740261a(17) =-55429920a(18) =40900860a(19) =-12612600a(20) =1401400a(21) =0a(22) =-16591655817a(23) =38999319642a(24) =-33465991104a(25) =13440707280a(26) =-2572970400a(27) =190590400