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A103567 Sum of the (primes > 5 modulo 5). 3

%I #18 Sep 01 2024 02:48:14

%S 2,3,6,8,12,15,19,20,22,23,26,28,31,35,36,38,39,42,46,49,53,55,56,59,

%T 61,65,68,70,71,73,77,81,82,84,87,89,92,96,97,98,101,103,107,108,111,

%U 113,117,120,124,125,126,128,131,135,136,138,139,142,145,147,148,151,153

%N Sum of the (primes > 5 modulo 5).

%H Vincenzo Librandi, <a href="/A103567/b103567.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n+1)-a(n) = A039703(n+4).

%t a = Table[Sum[Mod[Prime[i + 3], 5], {i, 1, n}], {n, 1, 200}]

%t Accumulate[Mod[#,5]&/@Prime[Range[4,70]]] (* _Harvey P. Dale_, May 31 2014 *)

%Y Cf. A039703, A103566, A103568-A103572.

%K nonn,less,easy,changed

%O 1,1

%A _Roger L. Bagula_, Mar 23 2005

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Last modified September 12 05:07 EDT 2024. Contains 375842 sequences. (Running on oeis4.)