Equals two maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..2 nX3 array.
A220373
Equals two maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..2 nX3 array.
Terms
- a(0) =2a(1) =23a(2) =236a(3) =2095a(4) =18296a(5) =154562a(6) =1280878a(7) =10492879a(8) =85253117a(9) =688997802a(10) =5548695509a(11) =44580367227a(12) =357622113010
External references
- oeis: A220373