Number of nX3 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.
A183548
Number of nX3 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.
Terms
- a(0) =3a(1) =71a(2) =583a(3) =5287a(4) =46841a(5) =417809a(6) =3721925a(7) =33169105a(8) =295565367a(9) =2633809823a(10) =23469955635a(11) =209141864227
External references
- oeis: A183548