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 A206979 Number of 7Xn 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal 0
 12747, 162486009, 964232197214, 5637076828393230, 33450230674269584063 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A206974 LINKS EXAMPLE Some solutions for n=4 ..2..2..1..2....1..3..2..0....0..2..3..2....2..1..2..3....2..0..3..3 ..1..1..3..2....0..0..0..2....3..3..2..3....0..1..2..0....3..2..3..0 ..0..3..3..0....0..2..3..3....0..0..2..2....0..1..0..0....0..3..0..3 ..1..3..2..1....3..2..3..0....3..2..2..0....2..0..3..0....2..2..0..2 ..1..2..1..1....3..0..2..0....2..1..0..1....2..0..3..2....2..3..0..0 ..0..3..0..3....2..2..0..0....2..2..0..2....1..2..0..2....1..0..3..3 ..0..0..2..1....0..0..3..2....1..3..0..3....0..1..0..0....3..3..1..3 CROSSREFS Sequence in context: A254514 A254814 A275158 * A206973 A206576 A207581 Adjacent sequences:  A206976 A206977 A206978 * A206980 A206981 A206982 KEYWORD nonn AUTHOR R. H. Hardin Feb 14 2012 STATUS approved

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Last modified January 15 13:34 EST 2021. Contains 340187 sequences. (Running on oeis4.)