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 A268089 Number of nX4 0..2 arrays with every repeated value in every row not one larger and in every column one larger mod 3 than the previous repeated value, and upper left element zero. 1
 26, 2028, 98830, 4523326, 176935858, 6564461764, 226972598646, 7559736791208, 242339515066412, 7571750055421548, 231096619789822498, 6929454403612818710, 204596614426899449914, 5966371478586924122230, 172147128731028332844244 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A268092. LINKS R. H. Hardin, Table of n, a(n) for n = 1..159 EXAMPLE Some solutions for n=3 ..0..2..0..2....0..0..0..2....0..2..2..1....0..2..1..2....0..1..0..0 ..2..1..2..1....1..1..1..2....1..2..0..0....0..1..1..0....0..2..0..1 ..2..2..2..2....1..1..0..0....0..0..0..2....2..0..2..2....1..0..1..2 CROSSREFS Cf. A268092. Sequence in context: A257947 A245929 A206390 * A173949 A266030 A103642 Adjacent sequences: A268086 A268087 A268088 * A268090 A268091 A268092 KEYWORD nonn AUTHOR R. H. Hardin, Jan 26 2016 STATUS approved

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Last modified June 24 19:44 EDT 2024. Contains 373690 sequences. (Running on oeis4.)