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 A197436 Number of nX2 0..2 arrays with no element equal to the average of its horizontal and vertical neighbors 1
 6, 34, 246, 1736, 12450, 89528, 644328, 4638654, 33398106, 240473126, 1731475912, 12467176650, 89767756044, 646357555524, 4653989082594, 33510269018262, 241285084850682, 1737332890742456, 12509374882010702, 90071661504230880 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 2 of A197442 LINKS R. H. Hardin, Table of n, a(n) for n = 1..200 FORMULA Empirical: a(n) = 7*a(n-1) +6*a(n-2) -25*a(n-3) -57*a(n-4) -7*a(n-5) +78*a(n-6) +71*a(n-7) +6*a(n-8) -18*a(n-9) -10*a(n-10) -8*a(n-11) EXAMPLE Some solutions for n=4 ..1..0....1..0....2..2....0..1....2..0....0..2....1..0....1..2....0..2....0..2 ..1..2....1..2....0..0....2..1....2..0....2..1....0..1....2..0....2..1....2..1 ..2..1....2..0....0..1....0..1....0..1....1..1....0..1....2..1....0..2....2..1 ..0..2....0..1....0..1....1..0....0..1....2..0....2..1....1..2....2..0....0..1 CROSSREFS Sequence in context: A216317 A230331 A267242 * A334787 A302148 A218685 Adjacent sequences: A197433 A197434 A197435 * A197437 A197438 A197439 KEYWORD nonn AUTHOR R. H. Hardin Oct 15 2011 STATUS approved

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Last modified June 1 11:52 EDT 2023. Contains 363068 sequences. (Running on oeis4.)