Number of n X 6 0..2 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

A201275

Number of n X 6 0..2 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) =1a(2) =9a(3) =41a(4) =143a(5) =442a(6) =1260a(7) =3113a(8) =7331a(9) =15969a(10) =32737a(11) =63942a(12) =120318a(13) =216392a(14) =377902a(15) =640970a(16) =1055829a(17) =1699241a(18) =2679576a(19) =4132842a(20) =6267048a(21) =9345121a(22) =13712218a(23) =19841970a(24) =28343579a(25) =39963063a(26) =55722233a(27) =76873873a(28) =104958237a(29) =141966994

External references