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A137236
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Numbers k such that 13^k + 4 is prime.
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3
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0, 1, 2, 6, 10, 15, 94, 198, 219, 4543, 11511, 12638, 45606
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OFFSET
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1,3
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COMMENTS
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LINKS
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PROG
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(PARI) for(n=0, 300, if(isprime(13^n+4), print1(n", ")))
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CROSSREFS
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KEYWORD
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hard,more,nonn
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AUTHOR
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EXTENSIONS
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a(13) from Lelio R. Paula contributed by Iain Fox, Nov 24 2017
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STATUS
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approved
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