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A145743
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a(n) is the smallest composite number m such that all n numbers m+4*k^2 for k=1,2,...,n are prime.
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2
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9, 15, 25, 25, 247, 583, 5377, 143473, 143473, 143473, 2821813, 62087033647, 91450844347
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OFFSET
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1,1
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COMMENTS
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There is no further term up to 5*10^8.
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LINKS
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CROSSREFS
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KEYWORD
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more,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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