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 A203040 Number of (n+3)X(n+3) binary arrays with no more than one of any consecutive four bits set in any row or column 0
 209, 2509, 53754, 1941572, 111839021, 10711347544, 1720766183538, 462798586473972, 206584733623719215 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A203048 LINKS EXAMPLE Some solutions for n=3 ..0..0..1..0..0..0....0..0..1..0..0..0....1..0..0..0..0..1....1..0..0..0..1..0 ..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..1..0..0 ..0..0..0..0..0..0....0..0..0..1..0..0....0..0..0..0..1..0....0..0..0..0..0..0 ..0..0..0..0..1..0....1..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0 ..1..0..0..0..0..0....0..0..0..0..0..1....0..0..1..0..0..0....0..0..0..0..1..0 ..0..0..1..0..0..0....0..0..0..0..0..0....1..0..0..0..0..0....1..0..0..0..0..1 CROSSREFS Sequence in context: A316684 A235731 A235512 * A250951 A304765 A316509 Adjacent sequences:  A203037 A203038 A203039 * A203041 A203042 A203043 KEYWORD nonn AUTHOR R. H. Hardin Dec 27 2011 STATUS approved

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Last modified January 23 19:17 EST 2022. Contains 350515 sequences. (Running on oeis4.)