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 A189617 T(n,k)=Number of nXk binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally 13
 2, 4, 4, 7, 16, 8, 12, 49, 64, 16, 21, 144, 292, 256, 32, 37, 441, 1164, 1723, 1024, 64, 65, 1369, 5238, 8496, 10327, 4096, 128, 114, 4225, 25046, 50024, 65160, 61996, 16384, 256, 200, 12996, 116100, 357323, 532565, 515560, 371641, 65536, 512, 351, 40000 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ....2.......4........7.........12..........21.............37...............65 ....4......16.......49........144.........441...........1369.............4225 ....8......64......292.......1164........5238..........25046...........116100 ...16.....256.....1723.......8496.......50024.........357323..........2482591 ...32....1024....10327......65160......532565........6204967.........68121839 ...64....4096....61996.....515560.....6110500......118571483.......2076231513 ..128...16384...371641....4075336....69943253.....2239578131......61652076124 ..256...65536..2227333...32031600...783072552....41236726541....1785011303305 ..512..262144.13350748..251533888..8759983583...764615054191...52081392909734 .1024.1048576.80027347.1976926440.98440457351.14279876468131.1531637258052071 LINKS R. H. Hardin, Table of n, a(n) for n = 1..240 EXAMPLE Some solutions for 5X3 ..1..1..0....0..0..1....1..1..1....1..1..1....1..1..1....0..0..1....0..0..0 ..1..0..0....1..1..1....0..0..1....1..0..1....0..0..1....1..0..0....1..0..1 ..0..1..1....0..1..1....0..0..1....1..0..1....0..0..1....0..1..1....0..0..0 ..1..0..1....1..0..0....0..0..1....1..1..0....0..0..0....1..1..0....1..0..0 ..1..0..0....1..0..1....1..0..0....1..1..0....0..0..1....1..1..1....1..0..0 CROSSREFS Column 3 is A188748 Row 1 is A005251(n+3) Row 2 is A188501 Sequence in context: A223680 A189264 A188992 * A189064 A188874 A095061 Adjacent sequences: A189614 A189615 A189616 * A189618 A189619 A189620 KEYWORD nonn,tabl AUTHOR R. H. Hardin Apr 24 2011 STATUS approved

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Last modified July 18 15:51 EDT 2024. Contains 374388 sequences. (Running on oeis4.)