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 A236636 Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median plus the minimum of every 2X2 subblock 1
 474, 4176, 37018, 334180, 2988228, 26755684, 239823278, 2152052046, 19284072120, 172791130750, 1548885972816, 13886350823992, 124465875300538, 1115550628999210, 9999316448921006, 89632910699558058, 803421988230512594 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 2 of A236640 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 72 FORMULA Empirical recurrence of order 72 (see link above) EXAMPLE Some solutions for n=3 ..0..0..2....1..0..1....2..2..0....1..2..0....0..2..2....2..0..0....1..2..2 ..1..1..0....1..0..0....1..1..1....2..1..2....0..1..2....2..1..1....1..1..1 ..1..1..1....2..1..1....1..2..2....1..1..2....1..0..0....0..1..2....0..0..2 ..2..2..1....0..2..2....1..0..0....1..0..1....2..0..2....2..2..1....0..0..0 CROSSREFS Sequence in context: A187612 A237679 A236776 * A104649 A165463 A252518 Adjacent sequences: A236633 A236634 A236635 * A236637 A236638 A236639 KEYWORD nonn AUTHOR R. H. Hardin, Jan 29 2014 STATUS approved

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Last modified May 27 16:04 EDT 2024. Contains 372880 sequences. (Running on oeis4.)