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A203868 Number of (n+1)X7 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 1
1322098, 59962757, 1959924899, 43601076951, 721851243868, 9455280188061, 102773744858440, 955896356158916, 7795605797284447, 56686366577585168, 372732873405007189, 2239600836358560809, 12409329923078206156 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A203870

LINKS

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

EXAMPLE

Some solutions for n=4

..4..3..3..3..3..3..3....0..0..0..3..2..1..3....0..2..2..4..4..4..4

..3..4..4..4..4..4..4....0..0..2..2..3..4..3....0..2..3..4..4..4..4

..4..4..4..4..4..4..4....1..2..1..3..4..3..4....4..2..3..4..4..4..4

..4..4..4..4..4..4..4....1..2..3..4..3..4..4....2..4..4..4..4..4..4

..4..4..4..4..4..4..4....3..2..4..3..4..4..4....3..4..4..4..4..4..4

CROSSREFS

Sequence in context: A234710 A116495 A179584 * A204969 A237107 A206620

Adjacent sequences:  A203865 A203866 A203867 * A203869 A203870 A203871

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 07 2012

STATUS

approved

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Last modified September 21 01:46 EDT 2021. Contains 347596 sequences. (Running on oeis4.)