Number of diagonal and antidiagonal neighbor colorings of the odd squares of an nX5 array with new integer colors introduced in row major order.
A215922
Number of diagonal and antidiagonal neighbor colorings of the odd squares of an nX5 array with new integer colors introduced in row major order.
Terms
- a(0) =2a(1) =15a(2) =136a(3) =12840a(4) =322768a(5) =87852626a(6) =4044766240
External references
- oeis: A215922