Triangle read by rows, T(n,k) = (-1)^k*(2*n)!*P[n,k](1/(n+1)) where P is the P-transform, for n>=0 and 0<=k<=n.

A268437

Triangle read by rows, T(n,k) = (-1)^k*(2*n)!*P[n,k](1/(n+1)) where P is the P-transform, for n>=0 and 0<=k<=n.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =4a(5) =6a(6) =0a(7) =30a(8) =120a(9) =90a(10) =0a(11) =336a(12) =2800a(13) =5040a(14) =2520a(15) =0a(16) =5040a(17) =80640a(18) =264600a(19) =302400a(20) =113400a(21) =0a(22) =95040a(23) =2827440a(24) =15190560a(25) =29937600a(26) =24948000a(27) =7484400a(28) =0a(29) =2162160

External references