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Sum of the (primes > 5 modulo 7).
2

%I #13 Sep 01 2024 02:48:29

%S 0,4,10,13,18,20,21,24,26,32,33,38,42,45,50,54,55,58,60,66,71,77,80,

%T 85,87,91,92,93,98,102,108,110,114,117,119,125,130,134,140,142,146,

%U 147,150,151,157,160,165,167,168,171,177,182,186,189,194,198,199,202,208,214

%N Sum of the (primes > 5 modulo 7).

%F a(n+1)-a(n) = A039705(n+4).

%t a = Table[Sum[Mod[Prime[i + 3], 7], {i, 1, n}], {n, 1, 200}]

%Y Cf. A039705, A103566-A103567, A103569-A103572.

%K nonn,less,easy

%O 1,2

%A _Roger L. Bagula_, Mar 23 2005