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A232203 Number of (n+1)X(7+1) 0..2 arrays with every element both >= and <= some horizontal, vertical or antidiagonal neighbor 1
1270657, 4955798535, 16125727718291, 54098452658673021, 182361235082538718699, 614268969565470965614819, 2068734726208811311397436981, 6967263753083738967913587093853 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A232204

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..20

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A254026 A254019 A254893 * A147670 A204397 A058894

Adjacent sequences:  A232200 A232201 A232202 * A232204 A232205 A232206

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 20 2013

STATUS

approved

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Last modified August 14 03:14 EDT 2022. Contains 356109 sequences. (Running on oeis4.)