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A076209
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Numbers n such that (n!!+(n+1)!!-1)/2 is prime.
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3
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2, 3, 4, 5, 28, 35, 61, 75, 218, 267, 395, 844, 1509, 2122, 4157
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OFFSET
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1,1
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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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EXTENSIONS
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STATUS
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approved
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