Number of nX4 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
A279868
Number of nX4 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =6a(1) =96a(2) =824a(3) =5704a(4) =37289a(5) =226118a(6) =1300184a(7) =7247300a(8) =39307590a(9) =208922598a(10) =1091842999a(11) =5627866564a(12) =28670442976a(13) =144606882880a(14) =723064505682
External references
- oeis: A279868