566933

Appears in sequences

• Number of (n+1)X(3+1) 0..3 arrays with row and column sums nondecreasing, and no adjacent elements equal.at n=3A233030
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with row and column sums nondecreasing, and no adjacent elements equal.at n=17A233031
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with row and column sums nondecreasing, and no adjacent elements equal.at n=18A233031