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A050180
Numbers m such that prime(m) + Fibonacci(m) is prime.
3
1, 3, 12, 24, 42, 60, 132, 303, 312, 450, 564, 1236, 1419, 2952, 10098, 12060, 13848, 17229, 22356, 37896, 251904
OFFSET
1,2
COMMENTS
a(22) > 256737. - J.W.L. (Jan) Eerland, Jun 22 2022
MATHEMATICA
Do[ If[ PrimeQ[ Prime[n] + Fibonacci[n]], Print[n] ], {n, 1, 150000} ]
Select[Range[10000], PrimeQ[Fibonacci[#] + Prime[#]] &] (* Vincenzo Librandi, Jul 29 2016 *)
DeleteCases[ParallelTable[If[PrimeQ[Prime[n]+Fibonacci[n]], n, a], {n, 0, 256737}], a] (* J.W.L. (Jan) Eerland, Jun 22 2022 *)
PROG
(PARI) for(n=1, 10^5, if(isprime(prime(n)+fibonacci(n)), print1(n, " ")))
(Magma) [n: n in [1..2000] | IsPrime(NthPrime(n)+Fibonacci(n))]; // Vincenzo Librandi, Jul 29 2016
CROSSREFS
Sequence in context: A030571 A297675 A112236 * A319422 A272173 A028725
KEYWORD
nonn,more,hard
AUTHOR
Jason Earls, Oct 06 2001
EXTENSIONS
More terms from Robert G. Wilson v, Oct 08 2001
a(18)-a(19) from Vincenzo Librandi, Apr 10 2020
a(20) from J.W.L. (Jan) Eerland, Dec 23 2021
a(21) from J.W.L. (Jan) Eerland, Jun 22 2022
STATUS
approved