A022763 n-th 8k+3 prime plus n-th 8k+5 prime.

8, 24, 48, 80, 112, 128, 184, 216, 280, 296, 336, 360, 408, 456, 520, 560, 600, 648, 696, 752, 808, 840, 888, 952, 1008, 1064, 1104, 1176, 1224, 1248, 1296, 1344, 1368, 1416, 1448, 1512, 1584, 1632, 1656, 1712, 1760, 1848, 1944, 1984, 2040

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Formula

a(n) = A007520(n) + A007521(n). - Michel Marcus, Sep 30 2013

Prog

(PARI) lista(nn) = {prm = primes(nn); tp = select(p->(Mod(p, 8)==3), prm); fp = select(p->(Mod(p, 8)==5), prm); for (i = 1, min(#tp, #fp), print1(tp[i] + fp[i], ", "); ); } \\ Michel Marcus, Sep 30 2013

Crossrefs

Sequence in context: A348119 A306415 A122812 * A244370 A179682 A033996

Adjacent sequences: A022760 A022761 A022762 * A022764 A022765 A022766

Keyword

nonn

Author

Clark Kimberling

Status

approved