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A356764
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Semiprimes divisible by their indices in the sequence of semiprimes, divided by those indices.
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2
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4, 3, 3, 3, 3, 3, 3, 5, 5, 5, 5, 5, 5, 7, 7, 7, 7
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OFFSET
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1,1
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COMMENTS
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Except for a(1) = 4, all terms are prime.
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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,hard,more
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AUTHOR
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STATUS
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approved
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