1/5 the number of colorings of an n X n square array with 5 colors.
A068255
1/5 the number of colorings of an n X n square array with 5 colors.
Terms
- a(0) =1a(1) =52a(2) =28564a(3) =165770032
External references
- oeis: A068255
A068255
1/5 the number of colorings of an n X n square array with 5 colors.