A093326 Duplicate of A001359.

3, 5, 11, 17, 29, 41, 59, 71, 101, 107, 137, 149, 179, 191, 197, 227, 239, 269, 281, 311, 347, 419, 431, 461, 521, 569, 599, 617, 641, 659, 809, 821, 827, 857, 881, 1019, 1031, 1049, 1061, 1091, 1151, 1229, 1277, 1289, 1301, 1319, 1427, 1451, 1481, 1487

Offset

1,1

Comments

Name was: Primes p such that (p+p')/2+1 is a prime, where p' is the next prime after p.

Links

Table of n, a(n) for n=1..50.

Prog

(PARI) lista(nn) = {forprime(p=3, nn, if (isprime(1+(p + nextprime(p+1))\2), print1(p, ", ")); ); } \\ Michel Marcus, Jun 03 2013

Crossrefs

Sequence in context: A063700 A078859 A054799 * A001359 A096292 A181747

Adjacent sequences: A093323 A093324 A093325 * A093327 A093328 A093329

Keyword

dead

Author

Giovanni Teofilatto, Apr 25 2004

Extensions

After correction a duplicate of A001359, Michel Marcus, Jun 03 2013

Status

approved