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A207130 Number of nX4 0..3 arrays avoiding the pattern z z+1 z in any row or column 1
232, 53824, 10372917, 1981367324, 379555408075, 72730695900843, 13936149462971657, 2670326540879305294, 511665577607214468022, 98041087982933955583113, 18785814802217899809099644 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A207134

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A207578 A209088 A207053 * A125850 A139673 A252003

Adjacent sequences:  A207127 A207128 A207129 * A207131 A207132 A207133

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 15 2012

STATUS

approved

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Last modified July 3 17:54 EDT 2022. Contains 355055 sequences. (Running on oeis4.)