A101408 Primes p such that p+1000 or p-1000 are also primes.

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

Offset

1,1

Comments

Primes that differ by 1000.

Links

Zak Seidov, Table of n, a(n) for n = 1..1000

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: A040047 A163847 A051644 * A023252 A279426 A241120

Adjacent sequences: A101405 A101406 A101407 * A101409 A101410 A101411

Keyword

nonn

Author

Parthasarathy Nambi, Jan 15 2005

Extensions

Edited and extended by Ray Chandler, Jan 18 2005

Status

approved