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 A240263 Number of 4Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4 1
 38, 342, 5484, 85567, 1378558, 22319938, 362690826, 5898993727, 95992458400, 1562396067329, 25432861065027, 414021867841448, 6740052707172499, 109725934863624789, 1786316156857741452, 29080970908527870835 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 4 of A240260 LINKS R. H. Hardin, Table of n, a(n) for n = 1..18 EXAMPLE Some solutions for n=4 ..2..2..0..0....0..0..0..0....0..0..0..2....2..2..2..2....2..0..0..2 ..2..2..0..2....0..0..2..2....2..2..2..2....2..2..2..0....2..0..2..2 ..0..2..0..0....0..2..0..0....2..2..2..0....0..2..0..0....2..2..2..2 ..2..2..2..2....0..2..2..0....0..0..2..0....0..0..3..2....0..2..0..2 CROSSREFS Sequence in context: A204070 A242209 A201244 * A156661 A249711 A220918 Adjacent sequences:  A240260 A240261 A240262 * A240264 A240265 A240266 KEYWORD nonn AUTHOR R. H. Hardin, Apr 03 2014 STATUS approved

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Last modified January 17 18:14 EST 2020. Contains 330987 sequences. (Running on oeis4.)