Number of nX5 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself.
A201726
Number of nX5 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself.
Terms
- a(0) =56a(1) =16493a(2) =9603489a(3) =4720850001
External references
- oeis: A201726