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

Terms

a(0) =1a(1) =0a(2) =-1a(3) =1a(4) =0a(5) =1a(6) =0a(7) =-2a(8) =1a(9) =0a(10) =-3a(11) =0a(12) =5a(13) =0a(14) =-3a(15) =1a(16) =0a(17) =17a(18) =0a(19) =-28a(20) =0a(21) =14a(22) =0a(23) =-4a(24) =1a(25) =0a(26) =-155a(27) =0a(28) =255a(29) =0