Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
A207164
Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =90a(3) =603a(4) =3445a(5) =15789a(6) =98224a(7) =645217a(8) =3227100a(9) =18747520a(10) =128798244a(11) =720878886a(12) =4180036645a(13) =28917238756a(14) =176708726320
External references
- oeis: A207164