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A122273
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a(n) is the smallest prime p such that p^4 divides the numerator of the Bernoulli number B(A122272(n)).
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5
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OFFSET
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1,1
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COMMENTS
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The numbers m in A122272 are such that the numerator of the Bernoulli number B(m) is divisible by p^4, where p is a prime. For m = 6250, we have that the numerator of B(6250) is divisible by 5^5.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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