Number of n X n 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
A201425
Number of n X n 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
Terms
- a(0) =3a(1) =11a(2) =99a(3) =33740a(4) =28384610a(5) =54217235230
External references
- oeis: A201425