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A237673 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
1564, 14244, 132572, 1346420, 13569422, 134401476, 1333046350, 13340078386, 133387449994, 1328426151742, 13234291152744, 132112050245452, 1318587054311498, 13147462329089532, 131102446354703274 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A237677

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A280354 A072394 A243528 * A246734 A237467 A035890

Adjacent sequences:  A237670 A237671 A237672 * A237674 A237675 A237676

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 11 2014

STATUS

approved

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Last modified May 22 02:18 EDT 2022. Contains 353933 sequences. (Running on oeis4.)