Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..2 nX5 array.
A220934
Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..2 nX5 array.
Terms
- a(0) =7a(1) =200a(2) =5912a(3) =172904a(4) =4983202a(5) =143495572a(6) =4129000493a(7) =118791182035
External references
- oeis: A220934