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A269127
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Number of sequences with n copies each of 1,2,...,9 avoiding the pattern 12...9.
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2
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1, 362879, 12498099730471, 1072323973643442736211, 135383475007869462606521105767, 20584293980310480336378076914369061769, 3413618982844502796240740610191874586048936771, 586566986371155102435901052470650279895779757665905993
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OFFSET
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0,2
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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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