|
%I #17 Sep 08 2022 08:44:53
%S 2,3,5,0,4,6,3,5,2,1,3,2,6,1,5,4,3,5,4,1,3,2,6,5,6,3,5,2,4,1,1,5,4,6,
%T 2,4,3,2,6,5,4,6,2,4,1,3,1,6,3,5,2,1,3,6,5,4,3,5,4,1,3,6,6,3,5,2,2,1,
%U 4,6,3,2,3,2,1,5,4,5,2,3,6,1,4,6,5,2,1,2,6,1,5,3,4,1,2,6,5,3,5,2,1,4,3,2,4
%N a(n) = n-th prime modulo 7.
%C a(A049084(A045370(n-1))) is even; a(A049084(A045415(n-1))) is odd. - _Reinhard Zumkeller_, Feb 25 2008
%H R. Zumkeller, <a href="/A039705/b039705.txt">Table of n, a(n) for n = 1..1000</a>
%p seq(ithprime(n) mod 7, n=1..105); # _Nathaniel Johnston_, Jun 29 2011
%t Table[Mod[Prime[n], 7], {n, 105}] (* _Nathaniel Johnston_, Jun 29 2011 *)
%t Mod[Prime[Range[100]], 7] (* _Vincenzo Librandi_, May 06 2014 *)
%o (Magma) [p mod(7): p in PrimesUpTo(500)]; // _Vincenzo Librandi_, May 06 2014
%o (PARI) primes(100)%7 \\ _Charles R Greathouse IV_, May 06 2014
%Y Cf. A039701-A039704, A039706, A038194, A007652, A039709-A039715.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_
|
