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A203325 Number of nX3 0..2 arrays with the row and column sums nondecreasing 1
10, 133, 1510, 15300, 143690, 1274165, 10806894, 88697732, 709273098, 5552897908, 42748316864, 324552075694, 2435445384919, 18099810023959, 133416870552426, 976549356613913, 7105388880850306, 51434017293354295, 370659513901413881 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A203330

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..73

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Sequence in context: A264279 A296637 A223407 * A324421 A284162 A066156

Adjacent sequences:  A203322 A203323 A203324 * A203326 A203327 A203328

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 31 2011

STATUS

approved

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Last modified September 23 10:55 EDT 2021. Contains 347612 sequences. (Running on oeis4.)