T(n,k)=Number of nXk 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.
A201142
T(n,k)=Number of nXk 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) =6a(1) =15a(2) =15a(3) =20a(4) =30a(5) =20a(6) =15a(7) =5a(8) =5a(9) =15a(10) =6a(11) =135a(12) =402a(13) =135a(14) =6a(15) =1a(16) =282a(17) =117a(18) =117a(19) =282a(20) =1a(21) =6a(22) =51a(23) =5252a(24) =7642a(25) =5252a(26) =51a(27) =6a(28) =15a(29) =848
External references
- oeis: A201142