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 A236038 Number of (n+1)X(2+1) 0..3 arrays colored with the difference of the upper median and the lower median in each 2X2 subblock 1
 2404, 42264, 722548, 12435076, 215833320, 3742165712, 64753334132, 1120625605524, 19402307063528, 335925911180296, 5815540423521376, 100678169726567032, 1742970553687774724, 30174878799319673848 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 2 of A236041 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 87 FORMULA Empirical recurrence of order 87 (see link above) EXAMPLE Some solutions for n=2 ..0..1..1....3..0..1....3..3..2....0..2..3....3..0..2....2..0..3....0..3..2 ..2..3..3....0..2..0....1..3..0....2..0..2....0..3..3....2..2..3....3..1..1 ..2..2..0....2..1..1....2..1..1....2..3..1....1..1..0....0..1..2....2..1..0 CROSSREFS Sequence in context: A251774 A031547 A031727 * A323271 A283783 A260274 Adjacent sequences: A236035 A236036 A236037 * A236039 A236040 A236041 KEYWORD nonn AUTHOR R. H. Hardin, Jan 18 2014 STATUS approved

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Last modified July 12 14:24 EDT 2024. Contains 374251 sequences. (Running on oeis4.)