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A181225
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Number of length 2n sequences p(i=0..2n-1) with 0<=p(i)<=i and having exactly n maxima
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1
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2, 3, 26, 476, 14905, 708825, 47514180, 4264132468, 493337571005, 71476985762027, 12673922434134249, 2699365743596908540, 679965250748621333815, 199945129785484988046467, 67870868805277105224767736
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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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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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