Number of 3Xn 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.
A281606
Number of 3Xn 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) =5a(1) =50a(2) =209a(3) =1283a(4) =8180a(5) =49572a(6) =302304a(7) =1849212a(8) =11295326a(9) =69003066a(10) =421598546a(11) =2575763454a(12) =15736620000a(13) =96143466614a(14) =587391366384
External references
- oeis: A281606