A103568 Sum of the (primes > 5 modulo 7).

0, 4, 10, 13, 18, 20, 21, 24, 26, 32, 33, 38, 42, 45, 50, 54, 55, 58, 60, 66, 71, 77, 80, 85, 87, 91, 92, 93, 98, 102, 108, 110, 114, 117, 119, 125, 130, 134, 140, 142, 146, 147, 150, 151, 157, 160, 165, 167, 168, 171, 177, 182, 186, 189, 194, 198, 199, 202, 208, 214

Offset

1,2

Links

Table of n, a(n) for n=1..60.

Formula

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

Mathematica

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

Crossrefs

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

Sequence in context: A310347 A310348 A310349 * A310350 A310351 A310352

Adjacent sequences: A103565 A103566 A103567 * A103569 A103570 A103571

Keyword

nonn,less,easy

Author

Roger L. Bagula, Mar 23 2005

Status

approved