A120024 Numbers n such that 2*6^n-1 and 2*6^n+1 are twin primes.

1, 2, 3, 4, 2175

Offset

1,2

Comments

No more terms through 10^4. - Ryan Propper, Dec 31 2007

Links

Table of n, a(n) for n=1..5.

Crossrefs

Cf. A057472 A120023.

Sequence in context: A004899 A085081 A004910 * A062929 A038105 A143716

Adjacent sequences: A120021 A120022 A120023 * A120025 A120026 A120027

Keyword

more,nonn

Author

Pierre CAMI, Jun 04 2006

Status

approved