A330278 Primes starting 12-tuples of consecutive primes that have symmetrical gaps about their mean and form 6 pairs of twin primes.

17479880417, 158074620437, 1071796554401, 1087779101699, 1153782400787, 1628444511389, 2066102452949, 2083857437327, 2561560206377, 3731086236287, 3751571181929, 4158362831639, 4878193583477, 5008751356547, 5378606656847, 5531533689527, 7020090738707, 7036216236989

Offset

1,1

Links

Tomáš Brada, Table of n, a(n) for n = 1..10000 (terms a(7)-a(132) from Giovanni Resta, terms a(133)-a(228) from Franz-Xaver Harvanek)

Example

a(1) = A274792(6) = 17479880417 starts a 12-tuple of consecutive primes: 17479880417+s for s in {0, 2, 24, 26, 30, 32, 54, 56, 60, 62, 84, 86} that are symmetric about 17479880417+43 and form 6 pairs of twin primes.

Crossrefs

Cf. A055380, A055381, A055382, A081235, A266511, A266512.

Sequence in context: A101815 A113643 A233799 * A202724 A115537 A233486

Adjacent sequences: A330275 A330276 A330277 * A330279 A330280 A330281

Keyword

nonn

Author

Max Alekseyev, Dec 08 2019

Extensions

a(2)-a(6) from Franz-Xaver Harvanek

More terms from Giovanni Resta, Dec 10 2019

Status

approved