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A236351 Number of (n+1)X(3+1) 0..2 arrays colored with the sum of the upper and lower median values of each 2X2 subblock 1
2588, 27836, 266600, 2706844, 28890754, 301178180, 3117428148, 32329186968, 336865215998, 3500945078792, 36401829877770, 378300068653556, 3934037891653376, 40891368186374904, 425166200406048014 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A236354

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A235950 A260840 A252310 * A250241 A252152 A035894

Adjacent sequences:  A236348 A236349 A236350 * A236352 A236353 A236354

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 23 2014

STATUS

approved

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Last modified September 16 21:28 EDT 2021. Contains 347473 sequences. (Running on oeis4.)