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A236586 Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the upper median minus the minimum of every 2X2 subblock 1
2858, 69766, 1705350, 41837888, 1023837022, 25082040726, 614719795538, 15061957042208, 368984741438528, 9040188025088446, 221496964287626690, 5426833925012460956, 132959147964541859240, 3257567810561282025784 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A236588
LINKS
EXAMPLE
Some solutions for n=2
..2..1..1....0..0..0....2..0..2....2..0..0....2..0..1....1..3..1....2..0..0
..3..0..1....2..2..0....1..0..0....3..0..0....3..1..1....3..0..0....2..3..1
..3..2..2....3..0..1....3..3..2....1..1..0....0..1..3....1..0..3....0..3..3
CROSSREFS
Sequence in context: A067703 A253714 A031603 * A233379 A192087 A286007
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 29 2014
STATUS
approved

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Last modified July 15 11:27 EDT 2024. Contains 374332 sequences. (Running on oeis4.)