Number of n X 3 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A281600
Number of n X 3 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =4a(1) =29a(2) =209a(3) =1623a(4) =12413a(5) =95623a(6) =736757a(7) =5678559a(8) =43771933a(9) =337417047a(10) =2601018757a(11) =20050333455a(12) =154561132461
External references
- oeis: A281600