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A139532 Numbers n such that numbers 24n+19 are primes. 3

%I #7 Jul 24 2017 16:40:51

%S 0,1,2,5,6,8,11,12,13,15,20,21,22,23,25,26,28,30,32,33,35,36,37,43,46,

%T 48,53,60,61,63,65,67,70,71,72,77,82,83,86,88,90,91,93,97,98,102,105,

%U 110,111,112,113,116,118,123,125,127,131,132,135,137,138,145,147,148

%N Numbers n such that numbers 24n+19 are primes.

%H Reinhard Zumkeller, <a href="/A139532/b139532.txt">Table of n, a(n) for n = 1..10000</a>

%t a = {}; Do[If[PrimeQ[24 n + 19], AppendTo[a, n]], {n, 0, 200}]; a

%t Select[Range[0,200],PrimeQ[24#+19]&] (* _Harvey P. Dale_, Jul 24 2017 *)

%o (Haskell)

%o a139532 n = a139532_list !! (n-1)

%o a139532_list = [x | x <- [0..], a010051' (24 * x + 19) == 1]

%o -- _Reinhard Zumkeller_, Apr 12 2014

%Y Cf. A010051.

%K nonn

%O 1,3

%A _Artur Jasinski_, Apr 25 2008

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)