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 A156974 Primes of the form 2^k + 29. 1
 31, 37, 61, 157, 541, 8221, 32797, 131101, 8388637, 134217757, 8589934621, 137438953501, 8796093022237, 9223372036854775837, 590295810358705651741, 9444732965739290427421, 604462909807314587353117, 618970019642690137449562141, 166153499473114484112975882535043101, 170141183460469231731687303715884105757, 883423532389192164791648750371459257913741948437809479060803100646309917 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..21. FORMULA a(n) = 2^A156982(n) + 29. - Elmo R. Oliveira, Nov 08 2023 MAPLE a := proc (n) if isprime(2^n+29) = true then 2^n+29 else end if end proc: seq(a(n), n = 1 .. 110); # Emeric Deutsch, Mar 14 2009 MATHEMATICA Delete[Union[Table[If[PrimeQ[2^n + 29], 2^n + 29, 0], {n, 1, 500}]], 1] PROG (Magma) [a: n in [0..300] | IsPrime(a) where a is 2^n+29 ]; // Vincenzo Librandi, Nov 27 2010 CROSSREFS Cf. A000040, A156982. Cf. A057733 (2^k+3), A123250 (2^k+5), A104066 (2^k+7), A156940 (2^k+11). Sequence in context: A129998 A180542 A097437 * A215431 A082957 A067826 Adjacent sequences: A156971 A156972 A156973 * A156975 A156976 A156977 KEYWORD nonn AUTHOR Edwin Dyke (ed.dyke(AT)btinternet.com), Feb 19 2009 EXTENSIONS More terms from Emeric Deutsch, Mar 14 2009 More terms from Vincenzo Librandi, Nov 27 2010 STATUS approved

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Last modified September 7 20:21 EDT 2024. Contains 375749 sequences. (Running on oeis4.)