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 A266309 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its west neighbor modulo n and the upper left element equal to 0. 7
 1, 1, 1, 1, 1, 2, 1, 1, 7, 6, 1, 1, 39, 171, 24, 1, 1, 265, 8190, 6666, 120, 1, 1, 1802, 442285, 3264584, 384360, 720, 1, 1, 12239, 25839438, 1935720551, 2357929910, 30900150, 5040, 1, 1, 84614, 1605405629, 1294905380013, 18647592370365, 2805027363620 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,6 COMMENTS Table starts ...1......1..........1..............1..................1......................1 ...1......1..........1..............1..................1......................1 ...2......7.........39............265...............1802..................12239 ...6....171.......8190.........442285...........25839438.............1605405629 ..24...6666....3264584.....1935720551......1294905380013........934699483462236 .120.384360.2357929910.18647592370365.170964048684610518.1721790755351199712746 LINKS R. H. Hardin, Table of n, a(n) for n = 1..66 EXAMPLE Some solutions for n=3 k=4 ..0..0..0..0....0..0..2..1....0..0..2..2....0..2..2..1....0..0..0..2 ..1..1..1..1....1..1..0..2....1..1..0..2....1..0..0..2....2..2..1..1 ..2..2..2..2....1..0..2..2....1..0..2..1....0..2..1..1....2..1..1..0 CROSSREFS Column 1 is A000142(n-1). Sequence in context: A005450 A039760 A156882 * A122021 A303817 A158200 Adjacent sequences:  A266306 A266307 A266308 * A266310 A266311 A266312 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Dec 26 2015 STATUS approved

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Last modified August 16 14:26 EDT 2022. Contains 356168 sequences. (Running on oeis4.)