Number of nX3 0..3 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.

A201388

Number of nX3 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) =137a(2) =1606a(3) =5897a(4) =236224a(5) =3364770a(6) =19735330a(7) =40088345a(8) =1066040173a(9) =10207216063a(10) =41478543314a(11) =60255150730

External references