5245828domain: NAppears in sequencesTriangle, read by rows, T(n,k) = binomial(n*(n-k)*k, k) + binomial(n*(n-k)*k, n -k).at n=29A157113Triangle, read by rows, T(n,k) = binomial(n*(n-k)*k, k) + binomial(n*(n-k)*k, n -k).at n=34A157113