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 A219310 T(n,k)=Unchanging value maps: number of nXk binary arrays indicating the locations of corresponding elements unequal to no horizontal or vertical neighbor in a random 0..2 nXk array 7
 1, 2, 2, 4, 6, 4, 7, 18, 18, 7, 12, 51, 90, 51, 12, 21, 142, 423, 423, 142, 21, 37, 405, 1958, 3334, 1958, 405, 37, 65, 1157, 9233, 25647, 25647, 9233, 1157, 65, 114, 3289, 43725, 200376, 326444, 200376, 43725, 3289, 114, 200, 9344, 206269, 1574278, 4215579 (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..........51...........142............405...........1157 ...4.....18........90.........423..........1958...........9233..........43725 ...7.....51.......423........3334.........25647.........200376........1574278 ..12....142......1958.......25647........326444........4215579.......54797587 ..21....405......9233......200376.......4215579.......89981627.....1935133104 ..37...1157.....43725.....1574278......54797587.....1935133104....68906619754 ..65...3289....206269....12334824.....710493819....41520773667..2448261182674 .114...9344....971794....96480571....9194088812...888957906061.86782430779997 .200..26580...4583164...755212375..119051026450.19043081452793 .351..75621..21622807..5914093280.1542298398563 .616.215076.101988408.46306103745 LINKS R. H. Hardin, Table of n, a(n) for n = 1..126 EXAMPLE Some solutions for n=3 k=4 ..1..0..0..0....1..0..1..1....0..0..0..0....0..0..0..0....1..0..0..1 ..0..0..0..1....0..0..0..1....0..0..1..0....1..0..0..0....0..0..0..0 ..1..0..0..0....0..0..1..1....1..0..0..0....1..1..1..1....0..1..0..0 CROSSREFS Column 1 is A005251(n+2) Column 2 is A219136 Sequence in context: A210603 A252820 A218765 * A220070 A220217 A220194 Adjacent sequences: A219307 A219308 A219309 * A219311 A219312 A219313 KEYWORD nonn,tabl AUTHOR R. H. Hardin Nov 17 2012 STATUS approved

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Last modified August 11 04:26 EDT 2024. Contains 375059 sequences. (Running on oeis4.)