A203866 Number of (n+1)X5 0..4 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

55848, 1605552, 31521422, 443416660, 4868641840, 43601076951, 332477439628, 2212638198898, 13146495088849, 70788368478733, 350130135993392, 1606454570141526, 6897447647573751, 27902889502486096, 107002812869185197

Offset

1,1

Comments

Column 4 of A203870

Links

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

Example

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

Crossrefs

Sequence in context: A346349 A116206 A251778 * A205093 A206081 A254508

Adjacent sequences: A203863 A203864 A203865 * A203867 A203868 A203869

Keyword

nonn

Author

R. H. Hardin Jan 07 2012

Status

approved