468268681671
domain: N
Appears in sequences
- Number of 2nX8 0..4 arrays with values 0..4 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=5A198249
- Number of 2nX12 0..4 arrays with values 0..4 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=3A198251