Number of n X n 0..1 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
A201378
Number of n X n 0..1 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
Terms
- a(0) =2a(1) =3a(2) =19a(3) =121a(4) =7148a(5) =326650a(6) =175765510a(7) =74872992399
External references
- oeis: A201378