Signed Stirling numbers of the first kind.

Terms

a(0) =0a(1) =1a(2) =-3a(3) =11a(4) =-50a(5) =274a(6) =-1764a(7) =13068a(8) =-109584a(9) =1026576a(10) =-10628640a(11) =120543840a(12) =-1486442880a(13) =19802759040a(14) =-283465647360