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A207474 Number of nX3 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal 1
58, 3364, 133556, 5632964, 236422326, 9918542118, 415949940602, 17445552068794, 731700177749008, 30688945043507104, 1287152210679243960, 53985590138076197056, 2264257474181354143802, 94967231394228308838804 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A207479

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A299467 A334935 A207278 * A207530 A042625 A250919

Adjacent sequences:  A207471 A207472 A207473 * A207475 A207476 A207477

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 18 2012

STATUS

approved

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Last modified September 28 08:27 EDT 2022. Contains 357068 sequences. (Running on oeis4.)