Triangle giving numerators of coefficients of Euler polynomials, highest powers first.

Terms

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