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A236010 Number of (n+1)X(n+1) 0..2 arrays colored with the sum of the maximum and minimum values of each 2X2 subblock 0
81, 1126, 13750, 95848, 805458, 5805712, 46936958, 297400544, 2301395022, 14676949336, 112821800002, 703842426432, 5358265271090, 33699329986640, 255391459490526, 1606272713154432 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A236018

LINKS

Table of n, a(n) for n=1..16.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A264000 A236781 A237059 * A230677 A231994 A236790

Adjacent sequences:  A236007 A236008 A236009 * A236011 A236012 A236013

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 18 2014

STATUS

approved

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Last modified December 8 20:37 EST 2021. Contains 349596 sequences. (Running on oeis4.)