Number of n X 4 0..3 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
A201389
Number of n X 4 0..3 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
Terms
- a(0) =1a(1) =98a(2) =5897a(3) =312604a(4) =14027391a(5) =539625139a(6) =18131486831a(7) =541077286873
External references
- oeis: A201389