Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost 4 rows or columns zero.
A162027
Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost 4 rows or columns zero.
Terms
- a(0) =818230288201
External references
- oeis: A162027