-55900domain: ZAppears in sequencesExpansion of e.g.f. sin(log(1+x)).at n=9A009454Real part of Product_{k = 0..n} (1 + k*i), i = sqrt(-1).at n=8A105750Real part of Product_{k=1..n} (k+i), where i is the imaginary unit.at n=8A231530Imaginary part of Product_{k=0..n} (i-k), where i=sqrt(-1).at n=8A242652