Number of 4 X n arrays containing n copies of 0..4-1 with no equal horizontal or vertical neighbors.
A264956
Number of 4 X n arrays containing n copies of 0..4-1 with no equal horizontal or vertical neighbors.
Terms
- a(0) =24a(1) =504a(2) =10728a(3) =269352a(4) =7340712a(5) =212706840a(6) =6427851432a(7) =200437195992
External references
- oeis: A264956