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A262099 Primes p such that 2^p + 17 is also prime. 1
13, 769, 4441, 184189 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(5) > 5*10^5. - Robert Price, Sep 18 2015

A000040 INTERSECT A057200. - Robert Price, Sep 18 2015

LINKS

Table of n, a(n) for n=1..4.

EXAMPLE

13 is in sequence because 2^13 + 17 = 8209 is prime.

MATHEMATICA

Select[Prime[Range[1000]], PrimeQ[2^# + 17] &]

PROG

(MAGMA) [p: p in PrimesUpTo(1000) | IsPrime(2^p+17)];

(PARI) for(n=1, 1e3, if(isprime((2^prime(n))+17), print1(prime(n)", "))) \\ Altug Alkan, Sep 18 2015

CROSSREFS

Subsequence of primes of A057200.

Cf. similar sequences listed in A262098.

Sequence in context: A297748 A086157 A033509 * A301644 A182932 A221934

Adjacent sequences:  A262096 A262097 A262098 * A262100 A262101 A262102

KEYWORD

nonn,more

AUTHOR

Vincenzo Librandi, Sep 18 2015

STATUS

approved

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Last modified October 1 00:42 EDT 2020. Contains 337440 sequences. (Running on oeis4.)