A203941 Number of (n+1)X6 0..5 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

1769897, 145455811, 7806803388, 280030480105, 7208336070660, 142896138921828, 2276546728132975, 30288223466970876, 345238293334020077, 3447161396606748505, 30641596678755423695, 245890418216931509356

Offset

1,1

Comments

Column 5 of A203944

Links

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

Example

Some solutions for n=4
..0..0..2..4..1..2....0..0..5..5..5..5....5..4..4..4..4..4....5..0..3..2..0..2
..0..1..4..2..5..4....3..3..5..5..5..5....4..5..5..5..5..5....0..5..2..3..5..5
..2..2..3..5..4..5....3..3..5..5..5..5....4..5..5..5..5..5....3..2..5..4..5..5
..0..4..4..4..5..4....1..5..5..5..5..5....4..5..5..5..5..5....1..4..4..5..5..5
..1..3..5..5..4..5....2..5..5..5..5..5....5..5..5..5..5..5....4..3..5..5..5..5

Crossrefs

Sequence in context: A234456 A251981 A237148 * A224591 A017286 A017394

Adjacent sequences: A203938 A203939 A203940 * A203942 A203943 A203944

Keyword

nonn

Author

R. H. Hardin Jan 08 2012

Status

approved