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 A206930 Number of n X n 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically 0
 2, 16, 211, 6837, 418876, 40316253, 8138711727, 2968348851593, 1635655868695143, 1996781212118762256, 4440970754945359464401, 13563038968625915203795793 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A206936 LINKS EXAMPLE Some solutions for n=4 ..1..1..0..1....1..1..1..0....1..1..0..1....1..1..0..1....0..1..1..0 ..1..0..0..1....0..0..1..1....0..1..0..1....1..1..0..1....0..0..1..0 ..0..0..1..0....1..1..1..0....1..0..0..1....0..1..1..0....0..0..1..1 ..0..1..0..1....0..0..1..0....0..1..0..1....0..1..0..0....0..0..1..0 CROSSREFS Sequence in context: A222523 A004121 A188600 * A206865 A114531 A012056 Adjacent sequences:  A206927 A206928 A206929 * A206931 A206932 A206933 KEYWORD nonn AUTHOR R. H. Hardin Feb 13 2012 STATUS approved

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Last modified April 24 00:02 EDT 2019. Contains 322404 sequences. (Running on oeis4.)