Triangle read by rows, the coefficients of the polynomials generating the columns of A287316.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =-1a(5) =2a(6) =0a(7) =4a(8) =-9a(9) =6a(10) =0a(11) =-33a(12) =82a(13) =-72a(14) =24a(15) =0a(16) =456a(17) =-1225a(18) =1250a(19) =-600a(20) =120a(21) =0a(22) =-9460a(23) =27041a(24) =-30600a(25) =17700a(26) =-5400a(27) =720a(28) =0a(29) =274800