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A236787 Number of (n+1)X(6+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal 1
26320, 405350, 5547565, 101820364, 1684255298, 32223974061, 570994921148, 11000072878624, 200824005818655, 3868923775555236, 71739107616503278, 1380960565701531643, 25853766527450133716, 497480673245790195666 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A236789

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A034622 A004046 A031652 * A237003 A107119 A292701

Adjacent sequences:  A236784 A236785 A236786 * A236788 A236789 A236790

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2014

STATUS

approved

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Last modified January 19 22:12 EST 2022. Contains 350466 sequences. (Running on oeis4.)