A103568 - OEIS

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A103568

Sum of the (primes > 5 modulo 7).

2

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

(list; graph; refs; listen; history; text; internal format)

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