Number of nX6 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.
A206985
Number of nX6 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.
Terms
- a(0) =26a(1) =676a(2) =1066a(3) =5804a(4) =27762a(5) =119224a(6) =539576a(7) =2511348a(8) =11347860a(9) =51289536a(10) =234531890a(11) =1067836614a(12) =4847382862a(13) =22063872636a(14) =100447611768a(15) =456793739872
External references
- oeis: A206985