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 A240268 Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4 1
 24, 157, 919, 8265, 49921, 382690, 3076452, 19781372, 154994425, 1144262410, 7794166168, 60672207307, 432430357219, 3074960725990, 23390892029200, 165455143739679, 1206985642463001, 8980338421458244, 63888419650679414 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A240271 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..3..2..2..2....3..2..2..0....3..0..0..0....3..2..3..3....3..2..2..0 ..3..1..1..2....3..2..2..2....2..3..0..2....3..1..1..3....3..1..1..0 ..2..1..2..3....2..3..3..2....3..2..0..0....2..3..2..1....2..3..3..3 ..2..0..3..2....2..1..1..3....2..1..2..0....3..0..2..2....3..0..2..2 CROSSREFS Sequence in context: A125334 A126492 A222002 * A231341 A186862 A305165 Adjacent sequences:  A240265 A240266 A240267 * A240269 A240270 A240271 KEYWORD nonn AUTHOR R. H. Hardin, Apr 03 2014 STATUS approved

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Last modified January 24 13:24 EST 2020. Contains 331193 sequences. (Running on oeis4.)