86233domain: NAppears in sequencesNumber of (n+1)X(4+1) 0..2 arrays with row and column sums nondecreasing, and no adjacent elements equal.at n=6A233405T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with row and column sums nondecreasing, and no adjacent elements equal.at n=48A233408