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 A235932 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the minimum plus the maximum unequal to the lower median plus the upper median in every 2X2 subblock 7
 168, 1788, 1788, 18992, 51736, 18992, 201976, 1490648, 1490648, 201976, 2146656, 43061840, 116219056, 43061840, 2146656, 22822704, 1242490716, 9098402456, 9098402456, 1242490716, 22822704, 242602688, 35871300604, 710992703856 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ......168........1788..........18992............201976...............2146656 .....1788.......51736........1490648..........43061840............1242490716 ....18992.....1490648......116219056........9098402456..........710992703856 ...201976....43061840.....9098402456.....1933270061800.......409779863760088 ..2146656..1242490716...710992703856...409779863760088....235445769230526712 .22822704.35871300604.55608647673784.86959285831972868.135476886902905134748 LINKS R. H. Hardin, Table of n, a(n) for n = 1..84 FORMULA Empirical for column k: k=1: a(n) = 82*a(n-2) +320*a(n-3) +144*a(n-4) -448*a(n-5) +64*a(n-6) k=2: [order 17] k=3: [order 70] EXAMPLE Some solutions for n=2 k=4 ..0..0..0..3..2....0..0..0..1..1....0..0..0..2..2....0..0..0..3..2 ..0..2..0..0..2....2..0..1..3..0....0..2..0..0..2....2..0..3..1..1 ..0..1..0..3..2....2..3..0..1..1....1..2..1..0..0....2..1..1..2..1 CROSSREFS Sequence in context: A303622 A263121 A216107 * A235926 A279725 A234730 Adjacent sequences:  A235929 A235930 A235931 * A235933 A235934 A235935 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Jan 17 2014 STATUS approved

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Last modified June 29 09:21 EDT 2022. Contains 354910 sequences. (Running on oeis4.)