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 A202931 T(n,k)=Number of nXk 0..2 arrays with adjacent row and column sums unequal 7
 3, 6, 6, 12, 52, 12, 24, 352, 352, 24, 48, 2444, 8460, 2444, 48, 96, 17508, 194636, 194636, 17508, 96, 192, 124340, 4439916, 14394092, 4439916, 124340, 192, 384, 872940, 100236532, 1032147416, 1032147416, 100236532, 872940, 384, 768, 6112832 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ....3........6..........12............24.............48.............96 ....6.......52.........352..........2444..........17508.........124340 ...12......352........8460........194636........4439916......100236532 ...24.....2444......194636......14394092.....1032147416....72961197604 ...48....17508.....4439916....1032147416...231197740500.50721408178292 ...96...124340...100236532...72961197604.50721408178292 ..192...872940..2247406834.5108912536716 ..384..6112832.50175952564 ..768.42822036 .1536 LINKS R. H. Hardin, Table of n, a(n) for n = 1..60 EXAMPLE Some solutions for n=4 k=3 ..0..0..1....0..2..1....0..2..1....0..2..0....0..1..2....1..0..2....0..2..1 ..1..1..1....1..1..2....1..2..2....2..0..1....0..0..0....2..1..1....2..2..1 ..2..0..2....0..2..0....2..1..0....2..2..2....0..1..1....0..2..0....0..1..1 ..1..0..2....2..2..2....0..0..1....0..2..0....2..1..1....0..1..0....0..1..2 CROSSREFS Diagonal is A202649 Sequence in context: A208445 A208796 A319867 * A240250 A239424 A119306 Adjacent sequences:  A202928 A202929 A202930 * A202932 A202933 A202934 KEYWORD nonn,tabl AUTHOR R. H. Hardin Dec 26 2011 STATUS approved

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Last modified February 18 12:34 EST 2020. Contains 332018 sequences. (Running on oeis4.)