0,1

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

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

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.

A005383, A033299.

Sequence in context: A036489 A076306 A219079 * A267614 A123984 A141282

Adjacent sequences: A059320 A059321 A059322 * A059324 A059325 A059326

nonn

Labos Elemer, Jan 26 2001

approved