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A236200 Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock 1
3020, 83520, 2333864, 65619060, 1841566940, 51632113352, 1448128801064, 40623532665624, 1139473381608100, 31960912057452172, 896485853549710468, 25146113875022759320, 705334357711075227400, 19784216961568761707632 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A236202

LINKS

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

EXAMPLE

Some solutions for n=2

..2..2..3....3..3..2....1..3..0....1..3..3....1..1..0....2..1..0....3..2..2

..2..0..3....3..0..1....3..3..2....2..1..1....3..0..1....3..3..3....1..0..3

..2..0..3....3..0..1....0..0..2....1..0..3....2..0..2....1..3..0....0..1..0

CROSSREFS

Sequence in context: A031816 A252381 A186394 * A252620 A104960 A255736

Adjacent sequences:  A236197 A236198 A236199 * A236201 A236202 A236203

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 20 2014

STATUS

approved

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Last modified February 25 11:19 EST 2021. Contains 341606 sequences. (Running on oeis4.)