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A268845
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Number of sequences with n copies each of 1,2,...,9 and longest increasing subsequence of length 9.
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3
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1, 6536413529, 8167981106765263789, 5426679072605204732028894233, 2599293828638212400913690945686101111, 1025794060996626005769021866749636185341527229, 358281333933096129012031117609647623312585201668494007
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OFFSET
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1,2
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LINKS
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J. D. Horton and A. Kurn, Counting sequences with complete increasing subsequences, Congressus Numerantium, 33 (1981), 75-80. MR 681905
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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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