Triangle read by rows: T(n,k) = (-1)^(n+k)*Sum_{j=1..k} s(n,j), where s(n,j) are the signed Stirling numbers of the first kind (n >= 2; 1 <= k <= n-1; s(n,j) = A008275(n,j)).

A136124

Triangle read by rows: T(n,k) = (-1)^(n+k)*Sum_{j=1..k} s(n,j), where s(n,j) are the signed Stirling numbers of the first kind (n >= 2; 1 <= k <= n-1; s(n,j) = A008275(n,j)).

Terms

    a(0) =1a(1) =2a(2) =1a(3) =6a(4) =5a(5) =1a(6) =24a(7) =26a(8) =9a(9) =1a(10) =120a(11) =154a(12) =71a(13) =14a(14) =1a(15) =720a(16) =1044a(17) =580a(18) =155a(19) =20a(20) =1a(21) =5040a(22) =8028a(23) =5104a(24) =1665a(25) =295a(26) =27a(27) =1a(28) =40320a(29) =69264

External references