Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2.
A251207
Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2.
Terms
- a(0) =17152a(1) =489772a(2) =16687766a(3) =667858580a(4) =29868134632
External references
- oeis: A251207