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A206459
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Number of 0..n arrays of length n+5 avoiding the consecutive pattern 0..n
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1
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7, 1791, 64257, 1950000, 60459696, 1977314738, 68719456256, 2541865795524, 99999999950000, 4177248169342446, 184884258894932736, 8650415919381195128, 426878854210636550576, 22168378200531005606250, 1208925819614629174378496
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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 in 0..floor((n+5)/(n+1))} ((-1)^i*(n+1)^((n+5) -(n+1)*i)*binomial((n+5) -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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