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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A236710

LINKS

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

R. H. Hardin, Empirical recurrence of order 59

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

Adjacent sequences:  A236703 A236704 A236705 * A236707 A236708 A236709

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 30 2014

STATUS

approved

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Last modified October 20 22:22 EDT 2021. Contains 348119 sequences. (Running on oeis4.)