A203783 Number of (n+1)X5 0..3 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing

18332, 2903185, 855879499, 215433191774, 43960759831841, 7419043577516162, 1066959581935799954, 133822712331030881445, 14899983490455155463783, 1492959577360021372301072, 136087516551689502446979902

Offset

1,1

Comments

Column 4 of A203787

Links

R. H. Hardin, Table of n, a(n) for n = 1..177

Example

Some solutions for n=4
..1..2..0..0..3....0..1..3..0..3....3..3..3..3..3....0..2..3..2..3
..2..1..3..3..2....0..2..0..3..3....3..3..3..3..3....0..3..2..3..2
..2..3..2..2..3....2..0..3..3..2....3..3..3..3..3....3..2..3..2..3
..3..2..3..3..2....2..0..3..3..2....3..3..3..3..3....2..3..2..3..2
..2..3..3..3..2....3..2..0..3..2....3..3..3..3..3....3..2..3..2..3

Crossrefs

Sequence in context: A286035 A217049 A251025 * A071368 A231142 A251874

Adjacent sequences: A203780 A203781 A203782 * A203784 A203785 A203786

Keyword

nonn

Author

R. H. Hardin Jan 05 2012

Status

approved