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A138958
Primes of the form (6^n + 5^n)/11.
1
31, 991, 1608145354351
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OFFSET
1,1
COMMENTS
The next term has 308 digits. -
Harvey P. Dale
, Sep 16 2022
LINKS
Table of n, a(n) for n=1..3.
MATHEMATICA
a={}; Do[p=(6^n+5^n)/11; If[PrimeQ[p], AppendTo[a, p]], {n, 1, 12^2}]; a
Select[Table[(6^n+5^n)/11, {n, 20}], PrimeQ] (*
Harvey P. Dale
, Sep 16 2022 *)
CROSSREFS
Cf.
A128336
.
Sequence in context:
A009975
A042862
A159674
*
A158675
A154808
A307588
Adjacent sequences:
A138955
A138956
A138957
*
A138959
A138960
A138961
KEYWORD
nonn
,
bref
AUTHOR
Vladimir Joseph Stephan Orlovsky
, May 16 2008
STATUS
approved
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Last modified August 2 15:07 EDT 2024. Contains 374848 sequences. (Running on oeis4.)