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A204334 Number of (n+1)X4 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 1
296860, 28167739, 1641649698, 68380482851, 2112336887047, 52148478516988, 1056518851863222, 18214385897286379, 272369535865540934, 3605626582401347706, 42838162300239816905, 462748031670197579287 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A204339

LINKS

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

EXAMPLE

Some solutions for n=4

..5..1..7..4....2..5..6..4....1..0..5..4....0..3..5..6....2..4..6..6

..0..6..4..7....5..6..5..7....5..6..4..5....7..4..5..6....7..5..5..7

..2..4..6..7....5..6..7..6....6..5..7..6....4..7..6..6....5..7..7..7

..0..6..7..7....4..7..6..7....4..7..6..7....5..6..7..7....6..7..7..7

..0..6..7..7....5..6..7..6....7..6..7..6....6..6..7..7....6..7..7..7

CROSSREFS

Sequence in context: A251387 A164946 A204318 * A048906 A251334 A119740

Adjacent sequences:  A204331 A204332 A204333 * A204335 A204336 A204337

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 14 2012

STATUS

approved

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Last modified January 21 03:58 EST 2022. Contains 350473 sequences. (Running on oeis4.)