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A196426 Number of nX4 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than itself 1
11, 809, 27583, 1436945, 67917500, 3308601959, 161187862053, 7798861912989, 378707068543349, 18386677122989718, 892343161380306411, 43311507597470368815, 2102210778739358126501, 102035875956252609950937 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A196430

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for n=3

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

..2..2..2..0....0..0..4..0....1..3..4..1....3..1..1..1....1..4..0..0

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

CROSSREFS

Sequence in context: A110776 A058392 A100369 * A238715 A162448 A024150

Adjacent sequences:  A196423 A196424 A196425 * A196427 A196428 A196429

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 02 2011

STATUS

approved

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Last modified September 26 02:27 EDT 2021. Contains 347664 sequences. (Running on oeis4.)