Equals two maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..3 nX3 array.
A220340
Equals two maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..3 nX3 array.
Terms
- a(0) =2a(1) =24a(2) =355a(3) =3281a(4) =28993a(5) =242224a(6) =1973258a(7) =15900432a(8) =127519660a(9) =1021016815a(10) =8170267047a(11) =65367230164a(12) =522949458612
External references
- oeis: A220340