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A250147 Number of length n+6 0..1 arrays with every seven consecutive terms having the maximum of some two terms equal to the minimum of the remaining five terms 1
107, 193, 354, 654, 1212, 2248, 4166, 7702, 14270, 26488, 49213, 91473, 170039, 316066, 587450, 1091860, 2029557, 3772854, 7013851, 13039135, 24240444, 45064052, 83775863, 155743025, 289534518, 538261784, 1000662012, 1860293197 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A250154

LINKS

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

FORMULA

Empirical: a(n) = 2*a(n-1) -a(n-3) +a(n-4) -a(n-5) +2*a(n-6) +4*a(n-7) -6*a(n-8) -5*a(n-9) +2*a(n-10) -2*a(n-11) +3*a(n-12) -4*a(n-13) -13*a(n-14) +8*a(n-15) +12*a(n-16) -4*a(n-17) +6*a(n-18) -2*a(n-19) -a(n-20) +22*a(n-21) -7*a(n-22) -11*a(n-23) +4*a(n-24) -4*a(n-25) +4*a(n-27) -17*a(n-28) +4*a(n-29) +5*a(n-30) -a(n-31) +a(n-32) -2*a(n-34) +6*a(n-35) -a(n-36) -a(n-37) -a(n-42)

EXAMPLE

Some solutions for n=6

..0....1....1....1....0....1....1....0....0....0....0....0....1....0....1....1

..0....0....0....1....0....0....0....0....0....1....0....1....0....0....0....0

..0....1....1....0....0....1....0....0....1....0....1....1....0....1....0....0

..0....0....0....0....1....1....1....0....0....0....0....1....1....0....0....1

..1....0....0....0....0....0....0....1....0....0....1....0....0....1....1....1

..1....0....1....0....0....0....0....0....0....0....0....0....0....1....0....1

..1....1....1....1....1....0....0....0....0....0....0....1....0....0....0....0

..0....1....0....0....0....0....0....0....1....1....0....0....0....0....0....1

..1....1....0....0....0....0....0....1....1....1....0....1....1....1....1....0

..0....0....0....0....0....0....0....0....0....0....1....0....1....0....0....0

..0....0....1....0....0....1....0....0....1....0....1....0....0....1....0....1

..0....1....1....1....1....0....1....1....1....0....0....1....1....0....1....1

CROSSREFS

Sequence in context: A142142 A265915 A210361 * A142270 A044339 A044720

Adjacent sequences:  A250144 A250145 A250146 * A250148 A250149 A250150

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 13 2014

STATUS

approved

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Last modified May 16 13:45 EDT 2022. Contains 353704 sequences. (Running on oeis4.)