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 A236013 Number of (n+1)X(3+1) 0..2 arrays colored with the sum of the maximum and minimum values of each 2X2 subblock 1
 1276, 3744, 13750, 34288, 110274, 313060, 1059410, 2852400, 9387554, 25937988, 86158450, 235806192, 779991734, 2143722636, 7102177066, 19487328696, 64517987030, 177151900644, 586666746358, 1610397251352, 5332485179726 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A236018 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 5*a(n-2) +42*a(n-4) -21*a(n-6) -207*a(n-8) for n>13 EXAMPLE Some solutions for n=5 ..1..1..2..0....1..2..1..0....1..1..0..2....1..1..0..0....1..2..0..1 ..1..1..2..1....0..1..1..2....1..1..0..0....1..1..0..0....2..2..1..0 ..0..0..1..2....1..1..1..2....1..2..1..1....2..2..1..1....0..1..2..2 ..2..1..0..1....1..1..0..1....0..1..1..1....2..2..1..1....0..0..1..1 ..1..2..1..1....2..2..1..0....0..1..1..0....1..1..0..0....2..1..1..1 ..0..2..2..0....2..2..2..0....0..2..2..2....2..0..0..0....2..2..0..0 CROSSREFS Sequence in context: A325604 A230758 A318201 * A282440 A211685 A210365 Adjacent sequences:  A236010 A236011 A236012 * A236014 A236015 A236016 KEYWORD nonn AUTHOR R. H. Hardin, Jan 18 2014 STATUS approved

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Last modified January 20 20:50 EST 2021. Contains 340332 sequences. (Running on oeis4.)