179234
domain: N
Appears in sequences
- Number of nX5 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X6 binary array having determinant equal to one, with rows and columns of the latter in nondecreasing lexicographic order.at n=5A227640
- T(n,k)=Number of nXk 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X(k+1) binary array having determinant equal to one, with rows and columns of the latter in nondecreasing lexicographic order.at n=49A227641
- T(n,k)=Number of nXk 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X(k+1) binary array having determinant equal to one, with rows and columns of the latter in nondecreasing lexicographic order.at n=50A227641