T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..3 introduced in row major order.
A205352
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..3 introduced in row major order.
Terms
- a(0) =15a(1) =110a(2) =110a(3) =1024a(4) =1750a(5) =1024a(6) =9894a(7) =30904a(8) =30904a(9) =9894a(10) =96288a(11) =544616a(12) =1080457a(13) =544616a(14) =96288a(15) =937926a(16) =9559986a(17) =36759026a(18) =36759026a(19) =9559986a(20) =937926a(21) =9140400a(22) =168343322a(23) =1257218433a(24) =2423004172a(25) =1257218433a(26) =168343322a(27) =9140400a(28) =89074638
External references
- oeis: A205352