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 A240417 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4 1
 129, 2105, 79090, 2051450, 45245148, 1615637679, 38249442962, 955439201951, 28422088797325, 653249891295733, 18365583086851745, 495763997190145130, 12117652634246661607, 341107664098435880768, 8779799870508201530267 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 6 of A240412 LINKS R. H. Hardin, Table of n, a(n) for n = 1..17 EXAMPLE Some solutions for n=3 ..2..3..3....3..2..2....2..3..3....3..2..2....2..3..2....3..2..3....3..2..2 ..1..3..2....1..2..0....2..1..1....2..0..1....2..3..2....3..0..1....3..0..0 ..3..0..0....3..0..0....2..3..0....1..0..2....2..1..2....1..2..0....1..0..0 ..2..0..0....3..2..0....2..3..0....2..0..1....2..1..2....1..0..0....3..2..0 ..3..0..0....2..1..0....3..0..0....2..0..0....2..0..0....3..0..2....1..2..2 ..3..1..1....2..1..1....3..2..0....1..0..0....2..0..3....3..0..0....3..2..0 CROSSREFS Sequence in context: A233305 A268266 A230187 * A353940 A351270 A088719 Adjacent sequences: A240414 A240415 A240416 * A240418 A240419 A240420 KEYWORD nonn AUTHOR R. H. Hardin, Apr 04 2014 STATUS approved

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Last modified March 24 09:45 EDT 2023. Contains 361470 sequences. (Running on oeis4.)