7626496

Appears in sequences

• a(n) = n^2*(n-1)^3/4.at n=32A019584
• Half the number of (n+2) X 3 binary arrays with no 3 X 3 subblock having a sum equal to any horizontal or vertical neighbor 3 X 3 subblock sum.at n=6A187956
• Half the number of (n+2)X9 binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum.at n=0A187962
• T(n,k)=Half the number of (n+2)X(k+2) binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum.at n=21A187964
• T(n,k)=Half the number of (n+2)X(k+2) binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum.at n=27A187964