A204335 Number of (n+1)X5 0..7 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

3478214, 618981328, 68380482851, 4891607353910, 250869977097844, 9654523816277542, 294839891112676990, 7351958944496756892, 154467992530752816413, 2788713964455710661184, 44108112235516161691582

Offset

1,1

Comments

Column 4 of A204339

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..5..3..5..6..6....2..7..2..7..5....5..4..3..5..4....4..4..5..4..6
..1..7..6..6..6....7..2..7..5..7....3..6..7..6..7....2..6..5..6..6
..2..6..7..7..7....2..7..5..7..6....2..7..6..7..6....2..6..7..6..7
..6..6..7..7..7....4..5..7..6..7....4..6..7..6..7....1..7..6..7..6
..5..7..7..7..7....2..7..6..7..6....3..7..6..7..6....5..6..7..6..7

Crossrefs

Sequence in context: A154871 A206107 A349065 * A365888 A240105 A205766

Adjacent sequences: A204332 A204333 A204334 * A204336 A204337 A204338

Keyword

nonn

Author

R. H. Hardin Jan 14 2012

Status

approved