-5864300

Appears in sequences

• Expansion of e.g.f. sin(log(1+x)).at n=11A009454
• Define u(n) as in A220448; then a(1)=1, thereafter a(n) = u(n)*a(n-1).at n=9A220449
• Real part of Product_{k=1..n} (k+i), where i is the imaginary unit.at n=10A231530
• Imaginary part of Product_{k=0..n} (i-k), where i=sqrt(-1).at n=10A242652