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A059323 Smaller term of closest safe prime pairs. 3
11, 47, 167, 347, 467, 1307, 2027, 2447, 4127, 4787, 5087, 5387, 5927, 12527, 12647, 15287, 18947, 28307, 39107, 39827, 41507, 44687, 51827, 63587, 64007, 71987, 73847, 76367, 76907, 78467, 79967, 83207, 118787, 121547, 143687, 164987 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..35.

FORMULA

{x| both x and x+12 are safe primes}; Intersection(12+A005385, primes)

EXAMPLE

11 and 23 are consecutive safe primes but not consecutive primes; 467 and 479 are consecutive safe primes and consecutive primes as well. Both 11 and 467 are here.

CROSSREFS

A005383, A033299.

Sequence in context: A036489 A076306 A219079 * A267614 A123984 A141282

Adjacent sequences:  A059320 A059321 A059322 * A059324 A059325 A059326

KEYWORD

nonn

AUTHOR

Labos Elemer, Jan 26 2001

STATUS

approved

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Last modified May 19 06:38 EDT 2019. Contains 323386 sequences. (Running on oeis4.)