Number of nX3 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
A201067
Number of nX3 0..6 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) =35a(1) =35a(2) =514a(3) =2611a(4) =3937a(5) =50334a(6) =4448a(7) =381982a(8) =206357a(9) =1377351a(10) =2831603a(11) =1974341a(12) =20355511a(13) =1239614a(14) =73355614a(15) =25640082a(16) =134750988a(17) =236836508a(18) =134563397a(19) =1068791444a(20) =49395188a(21) =2697358626a(22) =852508061a(23) =3859642876a(24) =5707775509
External references
- oeis: A201067