Stirling numbers of the first kind.

Terms

a(0) =0a(1) =0a(2) =1a(3) =-6a(4) =35a(5) =-225a(6) =1624a(7) =-13132a(8) =118124a(9) =-1172700a(10) =12753576a(11) =-150917976a(12) =1931559552a(13) =-26596717056a(14) =392156797824