Number of (n+2)X7 binary arrays with 3X3 subblock sums nondecreasing rightwards and downwards.
A186836
Number of (n+2)X7 binary arrays with 3X3 subblock sums nondecreasing rightwards and downwards.
Terms
- a(0) =324576a(1) =6019798a(2) =111211414a(3) =1919555447a(4) =21242244160a(5) =235234097572
External references
- oeis: A186836