34725760domain: NAppears in sequencesNumber of n X n 0..3 symmetric arrays with every row summing to floor(n*3/2).at n=6A213795T(n,k)=Number of n X n 0..k symmetric arrays with every row summing to floor(n*k/2).at n=33A213800Number of 6 X 6 0..n symmetric arrays with all rows summing to 3*n.at n=3A213804