Number of nX6 0..5 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
A201140
Number of nX6 0..5 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
Terms
- a(0) =1a(1) =51a(2) =758a(3) =13009a(4) =120096a(5) =1268728a(6) =8360853a(7) =58395657a(8) =309819522a(9) =1599103606a(10) =6891312239a(11) =29648211631a(12) =108584697209a(13) =395584327260
External references
- oeis: A201140