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 A186794 Half the number of (n+2)X9 binary arrays with each 3X3 subblock having a sum in 2..7 1
 53808589, 23402344941, 10131963654512, 4391582264258067, 1903184045712789082, 824819184923132441809, 357466055151669297136736, 154921287528965130422293553, 67140931189826904910835734315 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A186796 LINKS R. H. Hardin, Table of n, a(n) for n = 1..19 EXAMPLE Some solutions for 4X9 with a(1,1)=0 ..0..0..0..0..0..0..0..1..1....0..0..0..0..0..0..0..0..1 ..0..0..1..0..0..1..1..1..0....0..0..1..0..1..1..1..1..0 ..0..0..1..0..1..0..1..1..0....0..0..1..0..0..1..1..1..1 ..0..0..0..0..0..1..1..0..0....0..0..0..0..0..0..0..0..0 CROSSREFS Sequence in context: A186596 A205180 A216007 * A345719 A346360 A234794 Adjacent sequences: A186791 A186792 A186793 * A186795 A186796 A186797 KEYWORD nonn AUTHOR R. H. Hardin Feb 26 2011 STATUS approved

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Last modified May 18 19:36 EDT 2024. Contains 372666 sequences. (Running on oeis4.)