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A037056
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a(n)-th prime is the smallest prime containing exactly n 2's.
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1
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2, 1, 48, 331, 2490, 94500, 1283805, 1402294, 12238270, 891573671, 975688072, 77612456753, 715763987889, 748327378591
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OFFSET
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0,1
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LINKS
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MATHEMATICA
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(* see A037057 for f *) PrimePi[ Table[ f[n, 2], {n, 1, 13}]]
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CROSSREFS
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KEYWORD
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nonn,base,hard
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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