Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300885
Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =6a(2) =17a(3) =121a(4) =808a(5) =5309a(6) =31867a(7) =195259a(8) =1186702a(9) =7278923a(10) =44469030a(11) =272153365a(12) =1664882089a(13) =10186344545a(14) =62320129032a(15) =381291184320
External references
- oeis: A300885