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A250366 Number of length n+6 0..1 arrays with every seven consecutive terms having the maximum of some three terms equal to the minimum of the remaining four terms 1
93, 151, 252, 424, 714, 1198, 1996, 3292, 5464, 9138, 15356, 25874, 43654, 73684, 124372, 210049, 355170, 601345, 1019254, 1728973, 2934563, 4983010, 8464698, 14384753, 24454971, 41590601, 70756107, 120406541, 204943704, 348902096 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A250373

LINKS

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

FORMULA

Empirical: a(n) = 2*a(n-1) -a(n-2) +a(n-3) +6*a(n-7) -7*a(n-8) -2*a(n-9) -7*a(n-10) -5*a(n-11) -6*a(n-12) +a(n-13) -22*a(n-14) +6*a(n-15) +11*a(n-16) +20*a(n-17) +22*a(n-18) +33*a(n-19) +3*a(n-20) +47*a(n-21) +11*a(n-22) -15*a(n-23) -27*a(n-24) -38*a(n-25) -60*a(n-26) -11*a(n-27) -62*a(n-28) -28*a(n-29) +11*a(n-30) +21*a(n-31) +36*a(n-32) +55*a(n-33) +10*a(n-34) +51*a(n-35) +23*a(n-36) -11*a(n-37) -10*a(n-38) -21*a(n-39) -29*a(n-40) -4*a(n-41) -27*a(n-42) -8*a(n-43) +6*a(n-44) +2*a(n-45) +7*a(n-46) +8*a(n-47) +a(n-48) +8*a(n-49) +a(n-50) -a(n-51) -a(n-53) -a(n-54) -a(n-56)

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A048257 A255991 A213114 * A306540 A044425 A044806

Adjacent sequences:  A250363 A250364 A250365 * A250367 A250368 A250369

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 19 2014

STATUS

approved

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Last modified December 8 00:04 EST 2021. Contains 349590 sequences. (Running on oeis4.)