Number of n X n binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it.
A183313
Number of n X n binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it.
Terms
- a(0) =2a(1) =6a(2) =43a(3) =480a(4) =11385a(5) =455509a(6) =35629548a(7) =4963103592
External references
- oeis: A183313