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 A230967 Number of nX5 0..3 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero 1
 0, 1732, 220970, 66622532, 20816992724, 6479894318198, 2012129115093308, 626306050264214612, 194986475188899358816, 60695893045948486447450, 18894590354461901315111820, 5881924926873718865927435500 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 5 of A230968 LINKS R. H. Hardin, Table of n, a(n) for n = 1..38 EXAMPLE Some solutions for n=3 ..0..1..3..3..2....0..1..2..1..0....0..1..0..1..2....0..0..2..0..0 ..3..1..2..0..1....2..3..3..3..2....2..3..2..0..3....3..1..0..3..1 ..2..0..2..3..0....0..1..2..0..1....0..1..2..1..0....0..2..2..1..2 CROSSREFS Sequence in context: A252454 A256807 A008745 * A179914 A113701 A283385 Adjacent sequences:  A230964 A230965 A230966 * A230968 A230969 A230970 KEYWORD nonn AUTHOR R. H. Hardin, Nov 02 2013 STATUS approved

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Last modified January 18 13:38 EST 2022. Contains 350455 sequences. (Running on oeis4.)