Number of n X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A281463
Number of n X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =1a(1) =8a(2) =24a(3) =96a(4) =278a(5) =706a(6) =1887a(7) =4795a(8) =11794a(9) =28951a(10) =70400a(11) =167177a(12) =395417a(13) =926397a(14) =2160731a(15) =4999028
External references
- oeis: A281463