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 A240324 Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4 1
 6, 37, 455, 3374, 21455, 189549, 1190246, 8903613, 70945972, 460466581, 3565876476, 26437586127, 180411185989, 1394924206374, 9999389423346, 71022206087648, 538759260350717, 3826996325512698, 27847080935840982 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A240327 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..3..2..3..3....3..2..2..2....2..3..3..2....2..3..2..2....3..2..3..3 ..2..3..2..2....2..1..1..1....3..1..1..3....3..1..3..1....2..1..2..2 ..3..0..0..2....3..0..0..2....3..2..3..2....3..1..2..1....3..0..0..0 ..3..2..2..2....2..1..1..3....2..1..1..1....3..2..0..3....2..1..0..0 CROSSREFS Sequence in context: A185036 A185236 A041062 * A283636 A211988 A285934 Adjacent sequences:  A240321 A240322 A240323 * A240325 A240326 A240327 KEYWORD nonn AUTHOR R. H. Hardin, Apr 03 2014 STATUS approved

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