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 A218765 T(n,k)=Unmatched value maps: number of nXk binary arrays indicating the locations of corresponding elements not equal to any horizontal or vertical neighbor in a random 0..1 nXk array 8
 1, 2, 2, 4, 6, 4, 7, 18, 18, 7, 12, 47, 90, 47, 12, 21, 134, 403, 403, 134, 21, 37, 373, 1876, 2942, 1876, 373, 37, 65, 1035, 8697, 22439, 22439, 8697, 1035, 65, 114, 2889, 40383, 170148, 280850, 170148, 40383, 2889, 114, 200, 8050, 187413, 1291662, 3488015 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts ...1......2........4...........7............12.............21.............37 ...2......6.......18..........47...........134............373...........1035 ...4.....18.......90.........403..........1876...........8697..........40383 ...7.....47......403........2942.........22439.........170148........1291662 ..12....134.....1876.......22439........280850........3488015.......43403573 ..21....373.....8697......170148.......3488015.......70915451.....1444700004 ..37...1035....40383.....1291662......43403573.....1444700004....48186998294 ..65...2889...187413.....9807350.....540089167....29426750811..1606766223984 .114...8050...869598....74441043....6717643958...599056249102.53537060426191 .200..22420..4035492...565067801...83563261332.12196183065261 .351..62477.18727387..4289417212.1039486332867 .616.174072.86907272.32560993753 LINKS R. H. Hardin, Table of n, a(n) for n = 1..127 EXAMPLE Some solutions for n=3 k=4 ..0..0..1..1....0..0..1..0....1..1..1..1....1..0..0..0....0..0..0..0 ..0..0..0..1....0..1..0..0....1..0..0..0....0..0..1..0....0..0..1..0 ..1..0..0..1....1..1..0..0....0..0..0..0....0..1..0..0....0..0..0..0 CROSSREFS Column 1 is A005251(n+2) Sequence in context: A219741 A210603 A252820 * A219310 A220070 A220217 Adjacent sequences: A218762 A218763 A218764 * A218766 A218767 A218768 KEYWORD nonn,tabl AUTHOR R. H. Hardin Nov 05 2012 STATUS approved

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Last modified August 8 10:02 EDT 2024. Contains 375019 sequences. (Running on oeis4.)