A111321 Numbers n such that 7 divides prime(1)+...+prime(n).

5, 8, 13, 22, 33, 40, 47, 50, 56, 63, 72, 84, 86, 104, 106, 110, 115, 126, 128, 139, 148, 150, 154, 157, 160, 180, 184, 186, 188, 200, 209, 220, 228, 230, 232, 236, 238, 240, 244, 253, 270, 274, 300, 302, 305, 322, 324, 331, 339, 354, 367, 371, 384, 415, 417, 420, 428, 433

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Position[Accumulate[Prime[Range[500]]], _?(Divisible[#, 7]&)]//Flatten (* Harvey P. Dale, Oct 06 2017 *)

Crossrefs

Sequence in context: A314466 A314467 A314468 * A306943 A020736 A314469

Adjacent sequences: A111318 A111319 A111320 * A111322 A111323 A111324

Keyword

nonn

Author

N. J. A. Sloane, Nov 05 2005

Status

approved