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A138958 Primes of the form (6^n + 5^n)/11. 9
31, 991, 1608145354351 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

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

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 October 21 06:39 EDT 2019. Contains 328292 sequences. (Running on oeis4.)