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 A285750 T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1. 12
 0, 0, 0, 1, 4, 0, 2, 8, 14, 0, 6, 44, 105, 52, 0, 12, 150, 630, 550, 206, 0, 28, 540, 4850, 8544, 5105, 772, 0, 56, 2042, 31276, 119506, 125088, 30918, 2896, 0, 119, 7760, 250592, 1729212, 3640966, 1835412, 265920, 10996, 0, 236, 29654, 1727836 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 COMMENTS Table starts .0.....0........1..........2.............6...............12.................28 .0.....4........8.........44...........150..............540...............2042 .0....14......105........630..........4850............31276.............250592 .0....52......550.......8544........119506..........1729212...........25450414 .0...206.....5105.....125088.......3640966.........99685406.........3020617824 .0...772....30918....1835412.....101515318.......5826888288.......341001631140 .0..2896...265920...27339964....3077883556.....345505561776.....40895629554933 .0.10996..1773432..410644956...90409954434...20683003285236...4828422171183992 .0.41862.14632372.6209001966.2751592992660.1247496214559062.584834466962677402 LINKS R. H. Hardin, Table of n, a(n) for n = 1..143 EXAMPLE Some solutions for n=4, k=4 ..0..0..0..0. .0..1..1..1. .0..1..1..1. .0..0..0..1. .0..0..0..0 ..1..0..1..0. .0..1..0..0. .1..0..0..0. .1..1..1..0. .1..0..1..1 ..1..0..0..1. .1..0..0..1. .0..0..0..0. .0..1..0..1. .1..0..1..1 ..1..1..0..0. .1..0..0..0. .1..0..0..0. .1..0..0..0. .0..1..0..0 CROSSREFS Column 2 is A284765. Row 1 is A284449. Sequence in context: A271823 A011352 A275983 * A282279 A208333 A279413 Adjacent sequences:  A285747 A285748 A285749 * A285751 A285752 A285753 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Apr 25 2017 STATUS approved

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Last modified November 29 15:46 EST 2021. Contains 349416 sequences. (Running on oeis4.)