-238131478000domain: ZAppears in sequencesExpansion of e.g.f. cos(log(1+x)).at n=16A003703Real part of Product_{k = 0..n} (1 + k*i), i = sqrt(-1).at n=15A105750Define u(n) as in A220448; then a(1)=1, thereafter a(n) = u(n)*a(n-1).at n=14A220449Real part of Product_{k=0..n} (i-k), where i = sqrt(-1).at n=15A242651