Number of n X n {0,1,2,3} matrices having no 1's to the right of any 0's and no 3's above any 2's.
A383255
Number of n X n {0,1,2,3} matrices having no 1's to the right of any 0's and no 3's above any 2's.
Terms
- a(0) =1a(1) =4a(2) =194a(3) =107080a(4) =672498596
External references
- oeis: A383255