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A236891 Number of (n+1)X(6+1) 0..2 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal 1
31253, 464737, 5371569, 83876241, 1136651633, 18882502861, 301396769777, 5564630880617, 104489392927557, 2157649701194993, 45762433556233321, 1021324052363558617, 23188437673500636965, 538932475247671449997 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A236893

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A186800 A230753 A205419 * A177217 A274045 A277171

Adjacent sequences:  A236888 A236889 A236890 * A236892 A236893 A236894

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 01 2014

STATUS

approved

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Last modified January 24 08:21 EST 2021. Contains 340398 sequences. (Running on oeis4.)