T(n,k)=Number of nXk 0..3 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..3 introduced in row major order.
A241119
T(n,k)=Number of nXk 0..3 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..3 introduced in row major order.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =5a(4) =15a(5) =5a(6) =15a(7) =178a(8) =178a(9) =15a(10) =51a(11) =2614a(12) =9918a(13) =2614a(14) =51a(15) =187a(16) =40148a(17) =587555a(18) =587555a(19) =40148a(20) =187a(21) =715a(22) =622645a(23) =35000157a(24) =134229632a(25) =35000157a(26) =622645a(27) =715a(28) =2795a(29) =9676364
External references
- oeis: A241119