Number of horizontal, vertical, diagonal, antidiagonal or knight-move neighbor colorings of an nX3 array with new integer colors introduced in row major order.
A216758
Number of horizontal, vertical, diagonal, antidiagonal or knight-move neighbor colorings of an nX3 array with new integer colors introduced in row major order.
Terms
- a(0) =2a(1) =4a(2) =60a(3) =2957a(4) =337731a(5) =71786149a(6) =24889021634
External references
- oeis: A216758