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A120024 Numbers n such that 2*6^n-1 and 2*6^n+1 are twin primes. 1
1, 2, 3, 4, 2175 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 29 04:54 EDT 2020. Contains 338066 sequences. (Running on oeis4.)