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 A203330 T(n,k)=Number of nXk 0..2 arrays with the row and column sums nondecreasing 8
 3, 6, 6, 10, 32, 10, 15, 133, 133, 15, 21, 510, 1510, 510, 21, 28, 1792, 15300, 15300, 1792, 28, 36, 6050, 143690, 423595, 143690, 6050, 36, 45, 19641, 1274165, 10809576, 10809576, 1274165, 19641, 45, 55, 62471, 10806894, 261192161, 759320283 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ..3......6........10...........15............21............28............36 ..6.....32.......133..........510..........1792..........6050.........19641 .10....133......1510........15300........143690.......1274165......10806894 .15....510.....15300.......423595......10809576.....261192161....6027116491 .21...1792....143690.....10809576.....759320283...50493863772.3215213994114 .28...6050...1274165....261192161...50493863772.9306918766618 .36..19641..10806894...6027116491.3215213994114 .45..62471..88697732.134485617080 .55.194925.709273098 .66.601743 LINKS R. H. Hardin, Table of n, a(n) for n = 1..71 EXAMPLE Some solutions for n=5 k=3 ..2..0..2....0..1..2....0..0..2....1..1..1....2..0..0....2..0..1....0..0..0 ..1..1..2....0..2..1....1..2..0....1..0..2....0..1..2....0..2..2....0..1..2 ..0..2..2....2..2..2....1..2..0....1..2..2....1..0..2....1..1..2....1..0..2 ..0..2..2....2..2..2....2..0..2....1..2..2....2..2..0....2..1..2....2..0..1 ..0..2..2....2..2..2....2..2..2....1..2..2....0..2..2....1..2..2....0..2..1 CROSSREFS Column 1 is A000217(n+1) Sequence in context: A184137 A135610 A157018 * A197442 A113497 A210692 Adjacent sequences:  A203327 A203328 A203329 * A203331 A203332 A203333 KEYWORD nonn,tabl AUTHOR R. H. Hardin Dec 31 2011 STATUS approved

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Last modified June 25 19:25 EDT 2022. Contains 354851 sequences. (Running on oeis4.)