Number of (n+1)X(5+1) 0..1 arrays with no 2X2 subblock having zero or two 1s.
A251216
Number of (n+1)X(5+1) 0..1 arrays with no 2X2 subblock having zero or two 1s.
Terms
- a(0) =269a(1) =1807a(2) =12503a(3) =91777a(4) =666522a(5) =4907873a(6) =35978029a(7) =264753513a(8) =1945208633a(9) =14308155872a(10) =105188553635a(11) =773584601045
External references
- oeis: A251216