Imaginary part of Product_{k=0..n} (i-k), where i=sqrt(-1).

A242652

Imaginary part of Product_{k=0..n} (i-k), where i=sqrt(-1).

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =0a(4) =-10a(5) =90a(6) =-730a(7) =6160a(8) =-55900a(9) =549900a(10) =-5864300a(11) =67610400a(12) =-839594600a(13) =11186357000a(14) =-159300557000

External references