Number of horizontal, vertical and diagonal neighbor colorings of the even squares of an nX5 array with new integer colors introduced in row major order.
A215956
Number of horizontal, vertical and diagonal neighbor colorings of the even squares of an nX5 array with new integer colors introduced in row major order.
Terms
- a(0) =2a(1) =12a(2) =366a(3) =6150a(4) =847594a(5) =30312074a(6) =10289785215a(7) =609400419815
External references
- oeis: A215956