Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 4 1s.
A295117
Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 4 1s.
Terms
- a(0) =6a(1) =41a(2) =226a(3) =1373a(4) =8257a(5) =49302a(6) =295083a(7) =1768323a(8) =10586331a(9) =63381624a(10) =379549120a(11) =2272625520a(12) =13607838241a(13) =81481468232a(14) =487893203155
External references
- oeis: A295117