Nonzero coefficients of the polynomials in the numerator of 1/(1+x^2) and its successive derivatives, starting with the constant term.

A076741

Nonzero coefficients of the polynomials in the numerator of 1/(1+x^2) and its successive derivatives, starting with the constant term.

Terms

    a(0) =1a(1) =-2a(2) =-2a(3) =6a(4) =24a(5) =-24a(6) =24a(7) =-240a(8) =120a(9) =-720a(10) =2400a(11) =-720a(12) =-720a(13) =15120a(14) =-25200a(15) =5040a(16) =40320a(17) =-282240a(18) =282240a(19) =-40320a(20) =40320a(21) =-1451520a(22) =5080320a(23) =-3386880a(24) =362880a(25) =-3628800a(26) =43545600a(27) =-91445760a(28) =43545600a(29) =-3628800

External references