Equals two maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..1 6Xn array.
A220333
Equals two maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..1 6Xn array.
Terms
- a(0) =1a(1) =351a(2) =15316a(3) =876714a(4) =46094354a(5) =2680626797
External references
- oeis: A220333