Half the number of (n+2)X7 binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6.
A187313
Half the number of (n+2)X7 binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6.
Terms
- a(0) =502545a(1) =38586679a(2) =2885253967a(3) =219684364642
External references
- oeis: A187313