385704

Appears in sequences

• Number of (n+1)X(2+1) 0..3 arrays with every 2X2 subblock summing to 5 6 or 7.at n=2A251375
• Number of (n+1)X(3+1) 0..3 arrays with every 2X2 subblock summing to 5 6 or 7.at n=1A251376
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to 5 6 or 7.at n=7A251381
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to 5 6 or 7.at n=8A251381
• a(n) = Sum_{k=0..floor(n/2)} binomial(k+3,3) * binomial(2*k,2*n-4*k).at n=17A382495