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A250074 Number of length n+5 0..1 arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms 1
49, 83, 144, 252, 442, 774, 1348, 2361, 4156, 7334, 12956, 22892, 40444, 71468, 126350, 223466, 395309, 699356, 1237295, 2189067, 3873133, 6853086, 12126176, 21457004, 37968019, 67184477, 118883613, 210366841, 372249789, 658707896 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A250081

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-5) +3*a(n-6) -4*a(n-7) -4*a(n-8) +2*a(n-9) +a(n-10) -a(n-11) -6*a(n-12) +2*a(n-13) +7*a(n-14) -2*a(n-15) +4*a(n-18) -4*a(n-20) +a(n-21) -a(n-24) +a(n-26)

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A006832 A343000 A343022 * A247678 A093894 A259766

Adjacent sequences: A250071 A250072 A250073 * A250075 A250076 A250077

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 11 2014

STATUS

approved

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Last modified January 31 11:22 EST 2023. Contains 359971 sequences. (Running on oeis4.)