Triangle read by rows: T(n,k) (1 <= k <= n-1, n >= 2) = d(2(n-k)-1)(d(2n-2)/d(2(n-k)-2) - d(2n-3)/d(2(n-k)-3)), where d = A006882 is the double factorial function.

A202212

Triangle read by rows: T(n,k) (1 <= k <= n-1, n >= 2) = d(2*(n-k)-1)*(d(2*n-2)/d(2*(n-k)-2) - d(2*n-3)/d(2*(n-k)-3)), where d = A006882 is the double factorial function.