A147669 Primes of the form : 7^n-6^n.

13, 127, 543607, 3183060102526390833854311, 44487435359130133495783012898708551, 418364165757172442919546303805118823151668308251259902807

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: A201550 A361068 A211897 * A076457 A227749 A016162

Adjacent sequences: A147666 A147667 A147668 * A147670 A147671 A147672

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Nov 10 2008

Status

approved