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A236015 Number of (n+1)X(5+1) 0..2 arrays colored with the sum of the maximum and minimum values of each 2X2 subblock 1
18784, 41844, 110274, 267424, 805458, 2004428, 5955918, 15032200, 44965942, 113000332, 336562898, 846777416, 2514445286, 6345831140, 18852824906, 47584208128, 141289879158, 356650318804, 1058329372746, 2672854730808 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A236018

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = 7*a(n-2) +10*a(n-4) +15*a(n-6) -314*a(n-8) -1389*a(n-10) +1365*a(n-12) +3415*a(n-14) +2472*a(n-16) +2424*a(n-18) +3384*a(n-20) -6192*a(n-22) +1152*a(n-24) -2304*a(n-26) for n>29

EXAMPLE

Some solutions for n=3

..0..1..1..0..2..1....2..2..1..1..0..0....0..1..0..1..1..0....2..1..0..0..2..2

..0..1..1..1..2..2....0..1..1..1..0..0....2..1..1..2..2..1....1..2..1..1..2..1

..2..2..1..1..1..0....1..1..1..2..1..1....2..1..1..2..2..2....0..1..1..1..1..0

..2..2..0..1..1..0....1..1..0..2..2..0....2..0..0..2..1..0....1..0..2..1..1..0

CROSSREFS

Sequence in context: A269886 A269765 A272401 * A237764 A330839 A243134

Adjacent sequences:  A236012 A236013 A236014 * A236016 A236017 A236018

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 18 2014

STATUS

approved

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Last modified May 27 16:48 EDT 2022. Contains 354110 sequences. (Running on oeis4.)