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A203867 Number of (n+1)X6 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
280509, 10500903, 269967062, 4868641840, 66135356129, 721851243868, 6583402402582, 51842308069669, 360087670399010, 2246509788513939, 12752564863065714, 66609985398909168, 322906800607902925 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A203870

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

..3..3..4..4..4..4....3..4..4..4..4..4....3..4..4..4..4..4....3..4..4..4..4..4

CROSSREFS

Sequence in context: A111750 A145873 A253033 * A250979 A257151 A257158

Adjacent sequences:  A203864 A203865 A203866 * A203868 A203869 A203870

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 07 2012

STATUS

approved

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Last modified September 20 12:05 EDT 2021. Contains 347586 sequences. (Running on oeis4.)