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A089131
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Primes of the form (k! + 3)/3.
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2
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OFFSET
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1,1
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COMMENTS
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The next term is too large to include.
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LINKS
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MATHEMATICA
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PROG
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(PARI) nfactp2d2(n) = { for(x=1, n, y=floor((x!+ 3)/3); if(isprime(y), print1(y", ")) ) }
(Magma) [a: n in [1..50] | IsPrime(a) where a is (Factorial(n)+3) div 3]; // Vincenzo Librandi, Dec 12 2011
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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