Number of nX3 0..3 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..3 introduced in row major order.
A241115
Number of nX3 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) =5a(1) =178a(2) =9918a(3) =587555a(4) =35000157a(5) =2085879115a(6) =124315318217
External references
- oeis: A241115