Unmatched value maps: number of n X 3 binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 n X 3 array.
A219405
Unmatched value maps: number of n X 3 binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 n X 3 array.
Terms
- a(0) =4a(1) =28a(2) =181a(3) =1180a(4) =7687a(5) =50077a(6) =326233a(7) =2125270a(8) =13845268a(9) =90196219a(10) =587591326a(11) =3827916001a(12) =24937299865a(13) =162456261409
External references
- oeis: A219405