Triangle of coefficients of Euler polynomials E_2n(x) (exponents in decreasing order).

Terms

a(0) =1a(1) =1a(2) =-1a(3) =0a(4) =1a(5) =-2a(6) =0a(7) =1a(8) =0a(9) =1a(10) =-3a(11) =0a(12) =5a(13) =0a(14) =-3a(15) =0a(16) =1a(17) =-4a(18) =0a(19) =14a(20) =0a(21) =-28a(22) =0a(23) =17a(24) =0a(25) =1a(26) =-5a(27) =0a(28) =30a(29) =0