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 A206970 Number of nX4 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal 1
 232, 53824, 8685113, 1391081032, 221715091199, 35350565625684, 5637076828393230, 898731865023533945, 143270289925351485445, 22838799155002812398101, 3640700346812282938066170 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A206974 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..2..2..1....2..0..1..0....1..3..2..1....2..3..1..3....3..1..1..3 ..1..0..1..1....2..0..1..2....1..1..0..3....2..2..1..1....0..1..0..0 ..2..3..2..0....1..3..0..0....3..3..3..0....0..2..0..1....0..0..3..0 ..0..3..0..0....1..3..2..2....0..2..1..3....0..0..0..3....2..1..2..0 CROSSREFS Sequence in context: A188401 A307827 A206793 * A206976 A206963 A206573 Adjacent sequences: A206967 A206968 A206969 * A206971 A206972 A206973 KEYWORD nonn AUTHOR R. H. Hardin Feb 14 2012 STATUS approved

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Last modified November 29 09:35 EST 2023. Contains 367429 sequences. (Running on oeis4.)