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A236135 Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock 1
2816, 67264, 1611168, 38691488, 929734720, 22330450944, 536187075776, 12875700181728, 309219609067072, 7426202632991648, 178338308747877632, 4282727643901356576, 102850031124264691520, 2469965449416602454624 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A236137

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A065668 A045147 A202375 * A179159 A248985 A236794

Adjacent sequences:  A236132 A236133 A236134 * A236136 A236137 A236138

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 19 2014

STATUS

approved

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Last modified October 26 17:32 EDT 2020. Contains 338027 sequences. (Running on oeis4.)