-159300557000domain: ZAppears in sequencesExpansion of e.g.f. sin(log(1+x)).at n=15A009454Define u(n) as in A220448; then a(1)=1, thereafter a(n) = u(n)*a(n-1).at n=13A220449Real part of Product_{k=1..n} (k+i), where i is the imaginary unit.at n=14A231530Imaginary part of Product_{k=0..n} (i-k), where i=sqrt(-1).at n=14A242652