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A250008 Number of length n+5 0..2 arrays with no six consecutive terms having the maximum of any three terms equal to the minimum of the remaining three terms 1
300, 520, 912, 1612, 2864, 5102, 9090, 16272, 29158, 52262, 93688, 167964, 301168, 539974, 968642, 1737844, 3117714, 5593386, 10036076, 18005100, 32306350, 57972016, 104024782, 186662190, 334963334, 601062696, 1078577866, 1935527752 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A250014

LINKS

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

FORMULA

Empirical: a(n) = a(n-1) +a(n-2) +a(n-4) -a(n-5) +22*a(n-6) -13*a(n-7) -27*a(n-8) -3*a(n-9) -24*a(n-10) +18*a(n-11) -162*a(n-12) +30*a(n-13) +223*a(n-14) +24*a(n-15) +211*a(n-16) -102*a(n-17) +323*a(n-18) +231*a(n-19) -610*a(n-20) +29*a(n-21) -645*a(n-22) +195*a(n-23) +585*a(n-24) -1099*a(n-25) +329*a(n-26) -622*a(n-27) +20*a(n-28) +143*a(n-29) -1010*a(n-30) +864*a(n-31) -339*a(n-32) +678*a(n-33) +39*a(n-34) -2*a(n-35) -84*a(n-36) -358*a(n-37) +539*a(n-38) +106*a(n-39) +81*a(n-40) -113*a(n-41) +71*a(n-42) +190*a(n-43) -97*a(n-44) -83*a(n-45) -5*a(n-46) -46*a(n-47) +65*a(n-48) -28*a(n-49) +12*a(n-50) -18*a(n-51) -12*a(n-54) -8*a(n-55)

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A096511 A116346 A102509 * A190879 A154061 A253650

Adjacent sequences:  A250005 A250006 A250007 * A250009 A250010 A250011

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 10 2014

STATUS

approved

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Last modified September 16 10:52 EDT 2019. Contains 327095 sequences. (Running on oeis4.)