Number of n X 5 binary arrays indicating whether each 2 X 2 subblock of a larger binary array has lexicographically nondecreasing rows and columns, for some larger (n+1) X 6 binary array with rows and columns of the latter in lexicographically nondecreasing order.

A227255

Number of n X 5 binary arrays indicating whether each 2 X 2 subblock of a larger binary array has lexicographically nondecreasing rows and columns, for some larger (n+1) X 6 binary array with rows and columns of the latter in lexicographically nondecreasing order.