T(n,k)=Number of nXk 0..3 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
A201393
T(n,k)=Number of nXk 0..3 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
Terms
- a(0) =4a(1) =6a(2) =6a(3) =4a(4) =8a(5) =4a(6) =1a(7) =137a(8) =137a(9) =1a(10) =4a(11) =98a(12) =1606a(13) =98a(14) =4a(15) =6a(16) =1416a(17) =5897a(18) =5897a(19) =1416a(20) =6a(21) =4a(22) =715a(23) =236224a(24) =312604a(25) =236224a(26) =715a(27) =4a(28) =1a(29) =9424
External references
- oeis: A201393