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 A209047 T(n,k)=Number of nXk 0..3 arrays with no element equal the average of immediate neighbors vertically above and horizontally left of it 8
 4, 12, 12, 36, 124, 36, 108, 1300, 1300, 108, 324, 13644, 47700, 13644, 324, 972, 143212, 1752148, 1752148, 143212, 972, 2916, 1503212, 64369764, 225262148, 64369764, 1503212, 2916, 8748, 15778340, 2364812680, 28964458546, 28964458546 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ....4........12............36...............108....................324 ...12.......124..........1300.............13644.................143212 ...36......1300.........47700...........1752148...............64369764 ..108.....13644.......1752148.........225262148............28964458546 ..324....143212......64369764.......28964458546.........13034933066892 ..972...1503212....2364812680.....3724317998214.......5866193355938718 .2916..15778340...86878417604...478881915072688....2640002203816927226 .8748.165616044.3191736905988.61575811582924326.1188097914449381928076 LINKS R. H. Hardin, Table of n, a(n) for n = 1..220 EXAMPLE Some solutions for n=4 k=3 ..0..3..0....3..1..2....0..2..0....0..1..2....1..3..2....2..0..1....0..1..3 ..1..1..3....1..3..3....3..0..1....3..3..0....2..0..2....0..2..0....1..2..1 ..2..1..1....3..1..3....2..2..1....0..1..1....3..1..1....1..2..2....2..0..2 ..3..1..2....1..3..0....0..2..1....3..3..1....0..1..2....3..0..0....3..1..0 CROSSREFS Column 1 is A003946 Sequence in context: A272923 A161411 A261695 * A209019 A202636 A239194 Adjacent sequences:  A209044 A209045 A209046 * A209048 A209049 A209050 KEYWORD nonn,tabl AUTHOR R. H. Hardin Mar 04 2012 STATUS approved

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Last modified February 16 09:04 EST 2019. Contains 320159 sequences. (Running on oeis4.)