Triangle of coefficients of Euler polynomials 2^n*E_n(x) (exponents in increasing order).

Terms

a(0) =1a(1) =-1a(2) =2a(3) =0a(4) =-4a(5) =4a(6) =2a(7) =0a(8) =-12a(9) =8a(10) =0a(11) =16a(12) =0a(13) =-32a(14) =16a(15) =-16a(16) =0a(17) =80a(18) =0a(19) =-80a(20) =32a(21) =0a(22) =-192a(23) =0a(24) =320a(25) =0a(26) =-192a(27) =64a(28) =272a(29) =0