Equals two maps: number of 5Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..1 5Xn array.
A220332
Equals two maps: number of 5Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..1 5Xn array.
Terms
- a(0) =1a(1) =114a(2) =2788a(3) =76627a(4) =2065264a(5) =59893608a(6) =1653121774
External references
- oeis: A220332