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A199253 Number of nX5 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor 0
6, 424, 16898, 305863, 68639138, 6888550898, 340245592285, 6769314291049, 1887110314847070, 212296762860857040, 11206162997839745779 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A199256

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A258192 A273820 A162088 * A199198 A000410 A275686

Adjacent sequences:  A199250 A199251 A199252 * A199254 A199255 A199256

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 04 2011

STATUS

approved

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Last modified May 11 21:35 EDT 2021. Contains 343808 sequences. (Running on oeis4.)