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A203395 Number of nX6 0..3 arrays with every nonzero element less than or equal to some NW, E or S neighbor 1
1, 83876, 163500122, 156174348536, 146110498224967, 149902909246835321, 154961643794311169996, 158148980522829167340325, 161146544980100852067260986, 164476130276533308144689941035 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A203397

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A202933 A013885 A205197 * A333683 A295470 A237492

Adjacent sequences:  A203392 A203393 A203394 * A203396 A203397 A203398

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 01 2012

STATUS

approved

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Last modified August 19 23:59 EDT 2022. Contains 356231 sequences. (Running on oeis4.)