Triangle of Stirling numbers of 1st kind, S(n, n-k), n >= 0, 0 <= k <= n.

Terms

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