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A101408 Primes p such that p+1000 and/or p-1000 are also primes. +0
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13, 19, 31, 61, 97, 103, 109, 151, 163, 181, 193, 223, 229, 277, 283, 307, 367, 373, 409, 433, 439, 487, 499, 523, 571, 601, 607, 613, 619, 709, 733, 787, 811, 823, 877, 907, 997, 1013, 1019, 1031, 1039, 1061, 1063, 1069, 1087, 1097, 1103, 1109, 1129 (list; graph; listen)
OFFSET

1,1

COMMENT

Primes that differ by 1000.

LINKS

Chris Caldwell, List of small primes.

EXAMPLE

13 and 1013=13+1000 are both primes and therefore are both terms.

1039 and 2039=1039+1000 are both primes and therefore are both terms.

MATHEMATICA

Select[Prime[Range[200]], (# > 1000 && PrimeQ[ # - 1000]) || PrimeQ[ # + 1000] &]

CROSSREFS

Sequence in context: A069324 A040047 A051644 this_sequence A023252 A128342 A088186

Adjacent sequences: A101405 A101406 A101407 this_sequence A101409 A101410 A101411

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jan 15 2005

EXTENSIONS

Edited and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jan 18 2005

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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