Number of (n+2)X(n+2) 0..6 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.
A186571
Number of (n+2)X(n+2) 0..6 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.
Terms
- a(0) =40353607a(1) =2295a(2) =155811a(3) =6144163a(4) =20145619a(5) =24109915a(6) =33341515a(7) =63091963a(8) =185353627a(9) =1030573051a(10) =4642181947a(11) =16031111611
External references
- oeis: A186571