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Search: id:A064269
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| 3, 4, 6, 8, 10, 14, 16, 18, 28, 30, 42, 44, 50, 54, 66, 68, 76, 84, 90, 94, 110, 144, 148, 154, 168, 174, 178, 192, 196, 214, 220, 242, 264, 266, 268, 278, 280, 282, 294, 304, 308, 336, 346, 348, 354, 358, 360, 370, 376, 380, 382, 384, 390, 400, 402, 408, 414
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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EXAMPLE
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n=54: prime(54)-54 = 197.
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MATHEMATICA
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Select[ Range[ 415 ], PrimeQ[ Prime[ # ] - # ] & ]
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PROGRAM
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(PARI) j=[]; for(n=1, 500, if(isprime(prime(n)-n), j=concat(j, n))); j
(PARI) { n=0; for (m=1, 10^9, if (isprime(prime(m) - m), write("b064269.txt", n++, " ", m); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 10 2009]
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CROSSREFS
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Cf. A014689, A064270.
Sequence in context: A059608 A088071 A024182 this_sequence A120150 A109441 A069357
Adjacent sequences: A064266 A064267 A064268 this_sequence A064270 A064271 A064272
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KEYWORD
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easy,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Sep 23 2001
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