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 A185534 T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock nonsingular 10
 174, 726, 726, 3030, 4362, 3030, 12630, 25854, 25854, 12630, 52662, 150234, 215644, 150234, 52662, 219606, 886926, 1752120, 1752120, 886926, 219606, 915702, 5221098, 14532816, 19941490, 14532816, 5221098, 915702, 3818262, 30631134, 120202866 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ......174........726.........3030..........12630............52662 ......726.......4362........25854.........150234...........886926 .....3030......25854.......215644........1752120.........14532816 ....12630.....150234......1752120.......19941490........230731304 ....52662.....886926.....14532816......230731304.......3749400138 ...219606....5221098....120202866.....2662736508......60674682444 ...915702...30631134....989438596....30654215226.....978050637454 ..3818262..180225834...8169865470...353516027506...15816011545490 .15921462.1059790686..67464328866..4075790123584..255607860729284 .66389334.6228272058.556545963176.46978794076110.4128520011920866 LINKS R. H. Hardin, Table of n, a(n) for n = 1..144 EXAMPLE Some solutions for 5X4 ..1..1..0..0....0..1..0..0....1..0..0..1....0..1..1..1....0..0..1..1 ..0..0..1..0....1..1..0..1....1..1..0..1....1..0..1..1....1..1..0..1 ..1..0..0..1....0..0..1..0....0..1..1..1....1..1..0..1....0..1..0..0 ..0..1..0..0....1..0..0..1....1..1..1..0....0..0..1..0....1..1..1..1 ..0..1..1..1....0..1..0..1....0..0..1..0....1..0..1..1....0..0..1..0 CROSSREFS Sequence in context: A179136 A249432 A077395 * A185526 A248458 A053173 Adjacent sequences:  A185531 A185532 A185533 * A185535 A185536 A185537 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 30 2011 STATUS approved

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Last modified October 17 11:59 EDT 2019. Contains 328110 sequences. (Running on oeis4.)