229140

Appears in sequences

• Number of nX3 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X4 binary array having nonzero determinant.at n=5A227591
• T(n,k)=Number of nXk 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X(k+1) binary array having nonzero determinant.at n=30A227594
• T(n,k)=Number of nXk 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X(k+1) binary array having nonzero determinant.at n=33A227594