Irregular triangle from the expansion of p(x,t) = exp(x*t)/(x - t/2 - t/(exp(t) - 1)).

Terms

a(0) =1a(1) =0a(2) =-2a(3) =2a(4) =-1a(5) =1a(6) =6a(7) =-12a(8) =6a(9) =0a(10) =12a(11) =-24a(12) =-12a(13) =72a(14) =-72a(15) =24a(16) =24a(17) =-52a(18) =-88a(19) =356a(20) =-240a(21) =-360a(22) =720a(23) =-480a(24) =120a(25) =0a(26) =-720a(27) =2280a(28) =-1320a(29) =-3720