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A206460
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Number of 0..n arrays of length n+6 avoiding the consecutive pattern 0..n.
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1
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8, 5157, 256012, 9746876, 362750400, 13841186359, 549755617280, 22876792100667, 999999999400000, 45949729862605855, 2218611106738944000, 112455406951955165371, 5976303958948911170240, 332525673007965083334375
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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Empirical: a(n) = Sum_{i=0..floor((n+6)/(n+1))} ((-1)^i*(n+1)^((n+6) -(n+1)*i)*binomial((n+6) -n*i,i)).
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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