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A209088 Number of nX4 0..3 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically 1
232, 53824, 10347649, 1971161340, 376488811859, 71929610916133, 13741947409424169, 2625341010784019740, 501560608046590007962, 95821111921567728826717, 18306232813135620198547558 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A209092

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A206963 A206573 A207578 * A207053 A207130 A125850

Adjacent sequences:  A209085 A209086 A209087 * A209089 A209090 A209091

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 05 2012

STATUS

approved

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Last modified July 3 11:18 EDT 2022. Contains 355050 sequences. (Running on oeis4.)