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A269119
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Number of sequences with 9 copies each of 1,2,...,n avoiding the pattern 12...n.
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2
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0, 0, 1, 123700631, 88094027572412735, 327305762373962750213344469, 5055320871467502855510583170028558565, 268568796699793322439632085075432144258760935329, 42306180849230219227948320734391059740469458805515898752511
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OFFSET
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0,4
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LINKS
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FORMULA
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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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