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A223884 Number of nX4 0..2 arrays with row sums unimodal and column sums inverted unimodal 1
46, 3298, 187019, 8872648, 367614623, 13705619321, 469700382368, 15028355082420, 454196578645090, 13083963708689100, 361818451966460877, 9660123785787286044, 250171942122628486761, 6308537121431695167897 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A223885

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..15

EXAMPLE

Some solutions for n=3

..1..1..0..1....0..0..0..1....1..1..1..2....0..0..1..2....0..2..2..1

..1..1..2..2....0..0..0..2....2..1..2..2....1..2..1..1....0..2..2..1

..1..1..2..2....1..1..1..2....0..1..2..1....2..2..2..2....0..0..0..2

CROSSREFS

Sequence in context: A123830 A201234 A025763 * A223891 A243648 A302114

Adjacent sequences:  A223881 A223882 A223883 * A223885 A223886 A223887

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 28 2013

STATUS

approved

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Last modified October 4 08:55 EDT 2022. Contains 357239 sequences. (Running on oeis4.)