T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal.
A232515
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal.
Terms
- a(0) =4a(1) =16a(2) =4a(3) =16a(4) =52a(5) =8a(6) =54a(7) =32a(8) =200a(9) =16a(10) =74a(11) =326a(12) =128a(13) =784a(14) =28a(15) =218a(16) =250a(17) =2516a(18) =400a(19) =3052a(20) =52a(21) =340a(22) =2138a(23) =1730a(24) =19138a(25) =1344a(26) =11900a(27) =96a(28) =868a(29) =1956
External references
- oeis: A232515