Number of nX7 0..3 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
A201392
Number of nX7 0..3 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
Terms
- a(0) =4a(1) =9424a(2) =19735330a(3) =18131486831
External references
- oeis: A201392