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A207220 Number of nX7 0..2 arrays avoiding the pattern z z+1 z in any row or column 1
1465, 2146225, 1950327875, 1721695415743, 1547869995556777, 1395037573042216457, 1256433426475190769775, 1131415114956594837875523, 1018866149319377364919603291, 917523154945563563526500635865 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A207221

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..36

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A206862 A206956 A207988 * A045012 A215849 A204871

Adjacent sequences:  A207217 A207218 A207219 * A207221 A207222 A207223

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 16 2012

STATUS

approved

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