26495469000domain: NAppears in sequencesExpansion of e.g.f. cos(log(1+x)).at n=15A003703Imaginary part of Product_{k=0..n} (1 + k*i), i = sqrt(-1).at n=14A105751Imaginary part of Product_{k = 1..n} (k + i), i = sqrt(-1).at n=14A231531Real part of Product_{k=0..n} (i-k), where i = sqrt(-1).at n=14A242651