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A232869
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Primes p such that the average of the fourth powers of primes up to p is an integer.
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3
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OFFSET
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1,1
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COMMENTS
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Otherwise said, prime(n) such that n divides prime(1)^4 + ... + prime(n)^4. The n-values (indices) are given in A125907.
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LINKS
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FORMULA
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PROG
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(PARI) S=n=0; forprime(p=1, , (S+=p^4)%n++||print1(p", "))
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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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EXTENSIONS
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STATUS
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approved
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