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A140546 Primes p such that neither p - 6 nor p + 6 is prime. 4
2, 3, 71, 127, 139, 149, 181, 211, 241, 281, 293, 349, 397, 401, 409, 419, 421, 431, 479, 487, 491, 499, 521, 523, 617, 631, 643, 661, 673, 691, 701, 709, 719, 743, 761, 769, 773, 787, 797, 809, 811, 839, 907, 911, 919, 929, 937, 967, 1009, 1021, 1031, 1049 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

N. J. A. Sloane, Table of n, a(n) for n = 1..10000

CROSSREFS

Sequence in context: A115892 A290329 A145531 * A234237 A276197 A042233

Adjacent sequences:  A140543 A140544 A140545 * A140547 A140548 A140549

KEYWORD

nonn,easy

AUTHOR

Juri-Stepan Gerasimov, Jun 30 2008

EXTENSIONS

Corrected and extended by Charles R Greathouse IV, Mar 25 2010

STATUS

approved

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Last modified April 8 08:54 EDT 2020. Contains 333313 sequences. (Running on oeis4.)