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Search: id:A100958
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| A100958 |
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Values of n for which the Stirling number of the second kind, S(n,4), is prime. |
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1
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OFFSET
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1,1
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COMMENT
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Values have been checked up to n=100000.
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EXAMPLE
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S(16,4)=171798901 and S(40,4)=50369882873307917364901 are both prime numbers.
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MATHEMATICA
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Do[ If[ PrimeQ[ StirlingS2[n, 4]], Print[n]], {n, 4, 11000, 4}] (from Robert G. Wilson v Jan 14 2005)
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CROSSREFS
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Sequence in context: A070584 A132161 A086046 this_sequence A044093 A044474 A134593
Adjacent sequences: A100955 A100956 A100957 this_sequence A100959 A100960 A100961
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KEYWORD
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nonn
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AUTHOR
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Joe DeMaio, Stephen Touset (jdemaio(AT)kennesaw.edu), Jan 11 2005
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