Number of nX2 0..3 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
A201229
Number of nX2 0..3 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
Terms
- a(0) =6a(1) =2a(2) =34a(3) =24a(4) =306a(5) =152a(6) =2697a(7) =1709a(8) =26353a(9) =14274a(10) =256132a(11) =155679a(12) =2577102a(13) =1435626a(14) =25812024a(15) =15341134a(16) =262850473a(17) =148007489a(18) =2677750617a(19) =1572346141a(20) =27580713570a(21) =15652657223a(22) =284558852486a(23) =165998453918
External references
- oeis: A201229