Number of (n+2)X5 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..1 introduced in row major order.
A205268
Number of (n+2)X5 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..1 introduced in row major order.
Terms
- a(0) =11553a(1) =288483a(2) =7191926a(3) =178174596a(4) =4422079769a(5) =109752541538
External references
- oeis: A205268