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 A230974 Number of (n+2)X(5+2) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero 1
 1344, 85264, 3512016, 190219264, 11094079744, 630277210000, 35475345905904, 2001432811365376, 113064505811596416, 6385180086748566544, 360544290706698142960, 20359041140793308185600, 1149649924018856097170944 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A230977 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..0..0..2..2..0..0..0....0..0..2..0..0..2..0....0..0..2..2..2..1..0 ..1..1..3..3..1..1..3....3..1..1..3..1..1..3....1..1..3..3..0..1..2 ..0..2..2..0..2..0..0....0..2..2..0..2..0..0....0..2..2..2..0..3..0 CROSSREFS Sequence in context: A202430 A268907 A206321 * A239192 A172686 A270110 Adjacent sequences:  A230971 A230972 A230973 * A230975 A230976 A230977 KEYWORD nonn AUTHOR R. H. Hardin, Nov 02 2013 STATUS approved

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Last modified January 20 18:05 EST 2022. Contains 350472 sequences. (Running on oeis4.)