Triangle read by rows of Stirling numbers of first kind, s(n,k), n >= 1, 1 <= k <= n.

Terms

a(0) =1a(1) =-1a(2) =1a(3) =2a(4) =-3a(5) =1a(6) =-6a(7) =11a(8) =-6a(9) =1a(10) =24a(11) =-50a(12) =35a(13) =-10a(14) =1a(15) =-120a(16) =274a(17) =-225a(18) =85a(19) =-15a(20) =1a(21) =720a(22) =-1764a(23) =1624a(24) =-735a(25) =175a(26) =-21a(27) =1a(28) =-5040a(29) =13068