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A121764 Single (or isolated or non-twin) primes of form 6n+1. 1
37, 67, 79, 97, 127, 157, 163, 211, 223, 277, 307, 331, 337, 367, 373, 379, 397, 409, 439, 457, 487, 499, 541, 547, 577, 607, 613, 631, 673, 691, 709, 727, 733, 739, 751, 757, 769, 787, 853, 877, 907, 919, 937, 967, 991, 997, 1009, 1039, 1069, 1087, 1117 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Select[Table[6n + 1, {n, 200}], PrimeQ[ # ] && ! PrimeQ[ # - 2] &] (*Chandler*)

CROSSREFS

Cf. A007510, A121765.

Cf. A002476.

Sequence in context: A158018 A117475 A145486 * A131499 A054805 A141163

Adjacent sequences:  A121761 A121762 A121763 * A121765 A121766 A121767

KEYWORD

nonn

AUTHOR

Lekraj Beedassy (blekraj(AT)yahoo.com), Aug 20 2006

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 22 2006

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.