Number of nX2 0..3 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors.
A231694
Number of nX2 0..3 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors.
Terms
- a(0) =4a(1) =28a(2) =272a(3) =1998a(4) =13260a(5) =94996a(6) =691229a(7) =4926082a(8) =35082734a(9) =251198534a(10) =1797886622a(11) =12852933731a(12) =91912956748a(13) =657463618650
External references
- oeis: A231694