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Search: id:A152521
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| A152521 |
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Juxtaposition of prime(2n-1) and prime(2n) is a prime. |
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+0
1
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| 23, 3137, 8389, 157163, 167173, 233239, 257263, 331337, 353359, 467479, 509521, 523541, 653659, 661673, 677683, 727733, 11871193, 12011213, 12591277, 13671373, 14531459, 16691693, 17091721, 17411747, 21792203, 22072213, 22812287
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Primes in sequence A007795.
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LINKS
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N. Lygeros, G-test.
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PROGRAM
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(PARI) forstep(n=1, 1000, 2, a=eval(Str(prime(n), prime(n+1))); if(isprime(a), print1(a", ")))
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CROSSREFS
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A007795
Sequence in context: A068655 A088385 A030461 this_sequence A136363 A134798 A103443
Adjacent sequences: A152518 A152519 A152520 this_sequence A152522 A152523 A152524
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KEYWORD
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base,nonn
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AUTHOR
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Herman Jamke (hermanjamke(AT)fastmail.fm), Dec 06 2008
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EXTENSIONS
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Corrected Link. - Herman Jamke (hermanjamke(AT)fastmail.fm), Dec 08 2008
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