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 A183442 T(n,k)=Number of nXk binary arrays with every 1 having exactly one king-move neighbor equal to 1 9
 1, 2, 2, 3, 7, 3, 4, 13, 13, 4, 6, 28, 29, 28, 6, 9, 69, 89, 89, 69, 9, 13, 149, 273, 361, 273, 149, 13, 19, 330, 751, 1620, 1620, 751, 330, 19, 28, 755, 2221, 6392, 10459, 6392, 2221, 755, 28, 41, 1681, 6485, 26243, 56472, 56472, 26243, 6485, 1681, 41, 60, 3756, 18647 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts ..1....2.....3.......4........6..........9..........13............19 ..2....7....13......28.......69........149.........330...........755 ..3...13....29......89......273........751........2221..........6485 ..4...28....89.....361.....1620.......6392.......26243........109483 ..6...69...273....1620....10459......56472......329520.......1939754 ..9..149...751....6392....56472.....413450.....3352423......27025949 .13..330..2221...26243...329520....3352423....37904950.....428516444 .19..755..6485..109483..1939754...27025949...428516444....6750242518 .28.1681.18647..447624.11093629..212040472..4696093253..102708841482 .41.3756.54395.1841540.64352261.1694099411.52414238887.1598799987052 LINKS R. H. Hardin, Table of n, a(n) for n = 1..480 EXAMPLE Some solutions for 4X3 ..0..0..1....1..0..0....0..1..1....0..1..1....0..0..0....0..0..0....1..1..0 ..0..1..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....1..0..1....0..1..1....0..1..0....0..1..0....0..0..0 ..0..1..1....0..1..0....1..0..1....0..0..0....1..0..0....0..1..0....1..1..0 CROSSREFS Column 1 is A000930(n+1) Sequence in context: A195694 A021451 A210188 * A296019 A134232 A123934 Adjacent sequences: A183439 A183440 A183441 * A183443 A183444 A183445 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 04 2011 STATUS approved

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Last modified March 24 22:08 EDT 2023. Contains 361511 sequences. (Running on oeis4.)