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A236874 Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal 1
253269, 8629071, 268846043, 9850162103, 349860145439, 13357989313483, 503953627472071, 19686309634965721, 765600478209419871, 30293598550785786443, 1197129946817143406050, 47726805176701156066935 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A236875

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..46

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A255441 A210074 A230484 * A236163 A140967 A236443

Adjacent sequences:  A236871 A236872 A236873 * A236875 A236876 A236877

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 01 2014

STATUS

approved

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Last modified June 20 12:04 EDT 2021. Contains 345164 sequences. (Running on oeis4.)