A203740 Number of (n+1)X8 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) nondecreasing in column and row directions, respectively

376415, 6571172, 97540896, 1082255416, 9804436984, 75830205850, 513715285322, 3103520015542, 16936581403955, 84415771253041, 387615558312293, 1652082146430819, 6577778705127778, 24604778261792972, 86902770999219840

Offset

1,1

Comments

Column 7 of A203741

Links

R. H. Hardin, Table of n, a(n) for n = 1..136

Example

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

Crossrefs

Sequence in context: A147770 A218398 A089444 * A283030 A318964 A226361

Adjacent sequences: A203737 A203738 A203739 * A203741 A203742 A203743

Keyword

nonn

Author

R. H. Hardin Jan 05 2012

Status

approved