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A147669 Primes of the form : 7^n-6^n. 1
13, 127, 543607, 3183060102526390833854311, 44487435359130133495783012898708551, 418364165757172442919546303805118823151668308251259902807 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

7^2-6^2=49-36=13,...

LINKS

Table of n, a(n) for n=1..6.

MATHEMATICA

lst={}; Do[p=7^n-6^n; If[PrimeQ[p], AppendTo[lst, p]], {n, 6!}]; lst

CROSSREFS

Cf. A062573

Sequence in context: A201040 A201550 A211897 * A076457 A227749 A016162

Adjacent sequences:  A147666 A147667 A147668 * A147670 A147671 A147672

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Nov 10 2008

STATUS

approved

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Last modified May 23 11:46 EDT 2022. Contains 353975 sequences. (Running on oeis4.)