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A236706
Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median minus the lower median of every 2X2 subblock
1
442, 3492, 27406, 216340, 1707838, 13499232, 106577620, 841345444, 6643410412, 52475002544, 414383554326, 3271979406302, 25837791686030, 204047195631886, 1611325095378288, 12724017986201892, 100478744257085102
OFFSET
1,1
COMMENTS
Column 2 of A236710
FORMULA
Empirical recurrence of order 59 (see link above)
EXAMPLE
Some solutions for n=3
..0..2..1....0..0..1....0..0..0....1..0..0....1..0..2....2..2..1....1..1..0
..0..0..2....0..2..2....0..2..2....0..1..0....0..1..2....0..1..1....0..2..2
..0..0..0....1..0..0....2..0..2....0..0..1....1..1..0....0..1..0....1..0..0
..2..0..1....1..0..0....2..2..0....2..2..0....2..0..0....2..0..1....0..1..0
CROSSREFS
Sequence in context: A031720 A069106 A094410 * A105922 A250086 A018237
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 30 2014
STATUS
approved