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 A239984 Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4 1
 1, 7, 65, 1495, 31226, 652346, 16721012, 381369904, 9009351655, 233083355837, 5373732732783, 130821770741989, 3240495708022575, 75383547521530003, 1859081645190913254, 44959584675029390497, 1062939483571455261657 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 6 of A239986 LINKS R. H. Hardin, Table of n, a(n) for n = 1..19 EXAMPLE Some solutions for n=3 ..3..0..0..0..0..0....3..0..0..0..0..0....3..0..0..0..0..0....3..0..0..0..0..0 ..2..1..0..0..0..0....2..3..0..0..0..0....2..3..0..3..3..0....2..3..0..0..3..3 ..2..0..3..0..0..3....2..0..0..0..0..3....2..0..0..3..2..1....2..0..1..0..2..2 CROSSREFS Sequence in context: A272646 A220067 A109779 * A274822 A179880 A297310 Adjacent sequences:  A239981 A239982 A239983 * A239985 A239986 A239987 KEYWORD nonn AUTHOR R. H. Hardin, Mar 30 2014 STATUS approved

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Last modified September 23 07:26 EDT 2021. Contains 347609 sequences. (Running on oeis4.)