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A289947
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Values of n for which Sum_{k=1..n} k!^6 is prime.
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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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A289946(n) is divisible by 1091 for n >= 1090, and checking the terms below that gives A289946(a(3)) = A289946(102) as the final prime in the sequence.
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LINKS
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EXAMPLE
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A289946(5) = 2986175149697 is prime.
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PROG
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(PARI) isok(n) = isprime(sum(k=1, n, k!^6)); \\ Michel Marcus, Jul 17 2017
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CROSSREFS
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KEYWORD
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nonn,bref,full,fini
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AUTHOR
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STATUS
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approved
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