595515461627
domain: N
Appears in sequences
- Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock having one or two distinct values, and new values 0..3 introduced in row major order.at n=4A209840
- Number of (n+1)X6 0..3 arrays with every 2X2 subblock having one or two distinct values, and new values 0..3 introduced in row major order.at n=4A209845