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Search: id:A108049
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| A108049 |
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Integers n such that 10^n+43 is a prime number. |
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+0
27
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OFFSET
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1,2
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COMMENT
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Some of the larger entries may only correspond to probable primes.
The next number in the sequence is > 11500, because I've checked all the values less than that. - Dmitry Kamenetsky (dkamen(AT)rsise.anu.edu.au), Jul 12 2008
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EXAMPLE
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n = 5 is 10^5+43 = 100043, which is prime.
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MATHEMATICA
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Select[Range[2*10^3], PrimeQ[10^#+43]&] - Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 29 2008
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CROSSREFS
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Cf. A049054, A088274, A088275.
Adjacent sequences: A108046 A108047 A108048 this_sequence A108050 A108051 A108052
Sequence in context: A015548 A054417 A080507 this_sequence A121141 A083232 A089303
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KEYWORD
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hard,more,nonn
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AUTHOR
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Julien Peter Benney (jpbenney(AT)ftml.net), Jun 01 2005
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