67610400

Appears in sequences

• Expansion of e.g.f. sin(log(1+x)).at n=12A009454
• Imaginary part of Product_{k=0..n} (1 + k*i), i = sqrt(-1).at n=11A105751
• Imaginary part of Product_{k=0..n} (i-k), where i=sqrt(-1).at n=11A242652