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A243430 Primes of the form 2^n + 43. 2
47, 59, 107, 4139, 16427, 65579, 262187, 16777259, 302231454903657293676587, 4835703278458516698824747, 20769187434139310514121985316880427 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Associated n: 2, 4, 6, 12, 14, 16, 18, 24, 78, 82, 114, 234, 268, 286, ...

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..19

MATHEMATICA

Select[Table[2^n + 43, {n, 0, 500}], PrimeQ]

PROG

(MAGMA) [a: n in [0..500] | IsPrime(a) where a is 2^n+43];

CROSSREFS

Cf. similar sequences listed in A243429.

Sequence in context: A227982 A102274 A139909 * A342093 A126980 A039355

Adjacent sequences:  A243427 A243428 A243429 * A243431 A243432 A243433

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Jun 05 2014

STATUS

approved

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Last modified May 13 02:36 EDT 2021. Contains 343836 sequences. (Running on oeis4.)