2625106

Appears in sequences

• Number of n X n -2..2 arrays of 2X2 subblock diagonal sums minus antidiagonal sums for some (n+1)X(n+1) binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=4A227055
• Number of nX5 -2..2 arrays of 2X2 subblock diagonal sums minus antidiagonal sums for some (n+1)X6 binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=4A227059
• T(n,k)=Number of nXk -2..2 arrays of 2X2 subblock diagonal sums minus antidiagonal sums for some (n+1)X(k+1) binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=40A227060