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 A237182 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the minimum minus the lower median of every 2X2 subblock 7
 81, 402, 402, 2061, 2700, 2061, 10488, 18062, 18062, 10488, 53401, 122882, 167387, 122882, 53401, 271420, 836966, 1580672, 1580672, 836966, 271420, 1382012, 5677464, 15073049, 21527380, 15073049, 5677464, 1382012, 7030000, 38493628 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ........81.........402..........2061..........10488..........53401 .......402........2700.........18062.........122882.........836966 ......2061.......18062........167387........1580672.......15073049 .....10488......122882.......1580672.......21527380......297032042 .....53401......836966......15073049......297032042.....6020147131 ....271420.....5677464.....142485336.....4061242860...119868748036 ...1382012....38493628....1348599340....55269492484..2375043608680 ...7030000...261361496...12751872544...754851641410.47198092150236 ..35777132..1774467580..120966824930.10327406038280 .182015816.12042475374.1143637823692 LINKS R. H. Hardin, Table of n, a(n) for n = 1..84 FORMULA Empirical for column k: k=1: [linear recurrence of order 16] k=2: [order 40] EXAMPLE Some solutions for n=3 k=4 ..0..2..0..0..1....0..0..1..0..1....0..0..2..2..1....0..2..0..0..2 ..0..1..1..2..1....0..0..2..2..0....0..0..0..2..1....0..2..2..1..1 ..1..2..2..2..1....0..2..1..1..2....2..1..1..0..1....2..2..2..2..1 ..2..1..0..0..1....2..2..1..1..1....2..2..1..0..2....1..1..0..2..0 CROSSREFS Sequence in context: A097025 A074387 A008848 * A237176 A102741 A253495 Adjacent sequences:  A237179 A237180 A237181 * A237183 A237184 A237185 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Feb 04 2014 STATUS approved

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Last modified May 27 03:13 EDT 2022. Contains 354093 sequences. (Running on oeis4.)