105856

Appears in sequences

• Half the number of (n+1)X(n+1) symmetric 0..7 arrays with no 2X2 subblock summing to 14.at n=1A213696
• T(n,k)=Half the number of (n+1)X(n+1) symmetric 0..k arrays with no 2X2 subblock summing to 2k.at n=29A213697
• Half the number of 3 X 3 0..n symmetric arrays with no 2 X 2 subblock summing to 2n.at n=6A213698