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 A267997 T(n,k)=Number of nXk 0..2 arrays with every repeated value in every row and column greater than or equal to the previous repeated value. 4
 4, 16, 16, 64, 256, 64, 250, 4096, 4096, 250, 964, 62500, 262144, 62500, 964, 3674, 929296, 15625000, 15625000, 929296, 3674, 13868, 13498276, 895841344, 3552627426, 895841344, 13498276, 13868, 51917, 192321424, 49592666024 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ......4..........16..............64...............250................964 .....16.........256............4096.............62500.............929296 .....64........4096..........262144..........15625000..........895841344 ....250.......62500........15625000........3552627426.......766970396055 ....964......929296.......895841344......766970396055....615504325372174 ...3674....13498276.....49592666024...158016399692284.465926430628469626 ..13868...192321424...2667113508032.31323853192497584 ..51917..2695374889.139935778112213 .192980.37241280400 .712868 LINKS R. H. Hardin, Table of n, a(n) for n = 1..60 FORMULA Empirical for column k: k=1: [linear recurrence of order 8] k=2: [order 21] k=3: [order 40] EXAMPLE Some solutions for n=2 k=4 ..3..1..2..0....0..1..3..3....1..2..1..1....3..2..3..1....2..2..0..1 ..3..0..3..0....1..0..2..0....0..3..3..3....3..2..0..3....2..1..0..2 CROSSREFS Column 1 is A267975. Column 2 is A267976. Sequence in context: A223071 A232431 A267974 * A229105 A223585 A202680 Adjacent sequences:  A267994 A267995 A267996 * A267998 A267999 A268000 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Jan 24 2016 STATUS approved

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Last modified April 4 20:01 EDT 2020. Contains 333229 sequences. (Running on oeis4.)