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A236642 Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock 1
518, 5572, 59602, 642482, 6911962, 74396558, 800122550, 8610775166, 92635234654, 996776380336, 10724296947758, 115390071726274, 1241496879408954, 13357945283102960, 143722838579933174, 1546376213086175094 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A236645

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A253656 A233922 A236659 * A253726 A293085 A173791

Adjacent sequences:  A236639 A236640 A236641 * A236643 A236644 A236645

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 29 2014

STATUS

approved

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Last modified August 12 07:45 EDT 2022. Contains 356067 sequences. (Running on oeis4.)