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A183538 Number of nX4 0..3 arrays with each element equal to either the sum mod 4 of its horizontal and vertical neighbors or the sum mod 4 of its diagonal and antidiagonal neighbors 1
10, 128, 1326, 16704, 124568, 1260440, 12593728, 127023332, 1319837248, 12961478564, 130844028200, 1321487686388, 13343782478808, 135086068850496, 1360709615352544, 13741314468124836, 138768727626932600 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A183541

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..18

EXAMPLE

Some solutions for 3X4

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

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

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

CROSSREFS

Sequence in context: A218474 A234284 A296379 * A184678 A007819 A054050

Adjacent sequences:  A183535 A183536 A183537 * A183539 A183540 A183541

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved

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Last modified September 18 13:59 EDT 2020. Contains 337169 sequences. (Running on oeis4.)