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 A239994 Number of n X n 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4 0
 2, 13, 190, 6527, 635873, 191691132, 182333502325 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A240000 LINKS EXAMPLE Some solutions for n=4 ..3..3..0..0....0..3..3..0....0..3..3..0....3..3..0..0....3..3..0..0 ..0..3..3..0....3..2..3..3....0..0..3..1....0..3..1..3....0..2..1..3 ..3..2..0..1....0..2..2..0....0..0..2..0....0..3..2..0....0..2..1..2 ..3..1..0..2....2..2..0..0....3..3..0..0....0..0..2..2....0..2..2..0 CROSSREFS Sequence in context: A226865 A062156 A323209 * A242007 A049512 A003507 Adjacent sequences:  A239991 A239992 A239993 * A239995 A239996 A239997 KEYWORD nonn AUTHOR R. H. Hardin, Mar 30 2014 STATUS approved

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Last modified January 23 17:09 EST 2022. Contains 350514 sequences. (Running on oeis4.)