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A200804 Number of nX3 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one 1
10, 378, 4420, 70534, 1258392, 20829336, 349133136, 5916801764, 99672653784, 1679768996616, 28339196899298, 477878305752628, 8058283551459626, 135897588105196130, 2291737593646865132, 38647016142961331790 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A200809

LINKS

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

EXAMPLE

Some solutions for 4X4

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

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

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

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

CROSSREFS

Sequence in context: A301311 A291530 A117312 * A277663 A000591 A131312

Adjacent sequences:  A200801 A200802 A200803 * A200805 A200806 A200807

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 22 2011

STATUS

approved

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Last modified August 12 21:10 EDT 2020. Contains 336440 sequences. (Running on oeis4.)