%I #12 Sep 08 2022 08:46:08
%S 2,3,5,7,11,13,17,19,3,9,11,17,1,3,7,13,19,1,7,11,13,19,3,9,17,1,3,7,
%T 9,13,7,11,17,19,9,11,17,3,7,13,19,1,11,13,17,19,11,3,7,9,13,19,1,11,
%U 17,3,9,11,17,1,3,13,7,11,13,17,11,17,7,9,13,19,7
%N Primes modulo 20.
%H Vincenzo Librandi, <a href="/A242120/b242120.txt">Table of n, a(n) for n = 1..1000</a>
%t Mod[Prime[Range[100]], 20]
%o (Magma) [p mod(20): p in PrimesUpTo(500)];
%o (Sage) [mod(p, 20) for p in primes(500)] # _Bruno Berselli_, May 05 2014
%Y Cf. similar sequences listed in A242119.
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, May 05 2014
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