271627200

Appears in sequences

• Expansion of e.g.f. cos(log(1+x)).at n=13A003703
• Imaginary part of Product_{k = 1..n} (k + i), i = sqrt(-1).at n=12A231531
• Real part of Product_{k=0..n} (i-k), where i = sqrt(-1).at n=12A242651