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 A230190 Number of 7Xn 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value 2-x(i,j) 1
 0, 8193, 1223799, 756450105, 400233701367, 218117038953009, 117863748242661711, 63824360296979648967, 34546668873829672101987, 18700870126913632045893531, 10123031708751736005223316745 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row 7 of A230184 LINKS R. H. Hardin, Table of n, a(n) for n = 1..23 EXAMPLE Some solutions for n=3 ..0..2..0....0..2..0....0..2..0....0..2..0....0..2..0....0..2..0....0..2..0 ..0..1..2....0..2..0....0..2..0....0..1..0....0..2..0....0..0..1....0..0..2 ..1..0..1....0..0..2....1..1..1....1..2..2....0..0..1....2..1..1....0..2..0 ..2..1..0....1..1..0....0..2..2....0..0..2....2..1..1....1..0..2....0..0..1 ..1..2..0....0..2..1....0..0..2....1..1..2....1..0..0....2..2..0....2..1..1 ..0..0..2....0..1..0....2..1..0....2..0..2....2..2..0....2..0..2....0..2..1 ..2..0..2....0..2..0....1..2..0....1..1..1....1..1..1....2..2..0....1..1..1 CROSSREFS Sequence in context: A300567 A035908 A323544 * A017689 A013961 A036091 Adjacent sequences:  A230187 A230188 A230189 * A230191 A230192 A230193 KEYWORD nonn AUTHOR R. H. Hardin, Oct 11 2013 STATUS approved

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Last modified May 19 02:45 EDT 2019. Contains 323377 sequences. (Running on oeis4.)