Real part of even numbered terms of the sequence s(n)=(n-1)-st elementary symmetric function of (i, 2i, 3i,...,ni).

A203240

Real part of even numbered terms of the sequence s(n)=(n-1)-st elementary symmetric function of (i, 2i, 3i,...,ni).

Terms

    a(0) =1a(1) =-11a(2) =274a(3) =-13068a(4) =1026576a(5) =-120543840a(6) =19802759040

External references