Equals one maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, vertical and antidiagonal neighbors in a random 0..2 nX3 array.
A220807
Equals one maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, vertical and antidiagonal neighbors in a random 0..2 nX3 array.
Terms
- a(0) =4a(1) =38a(2) =371a(3) =3466a(4) =30015a(5) =250766a(6) =2050888a(7) =16590068a(8) =133462303a(9) =1070692764a(10) =8577628575a(11) =68669808890a(12) =549555346067
External references
- oeis: A220807