Equals one maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and vertical neighbors in a random 0..1 nX3 array.
A220284
Equals one maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and vertical neighbors in a random 0..1 nX3 array.
Terms
- a(0) =4a(1) =31a(2) =139a(3) =1411a(4) =9430a(5) =63154a(6) =452515a(7) =3130768a(8) =21630714a(9) =150540232a(10) =1043064746a(11) =7226190511a(12) =50094800811a(13) =347052655839
External references
- oeis: A220284