A096208 Primes expressible as a sum of odd-indexed primes.

2, 7, 89, 659, 1181, 5021, 9923, 10909, 11941, 17959, 26879, 48437, 53077, 65707, 71191, 74051, 119723, 135019, 147151, 173053, 226381, 293177, 323797, 362911, 411449, 470621, 478321, 542251, 575837, 592987, 646259, 721141, 730819, 740599

Offset

1,1

Comments

Subsequence of primes of A077131. - Michel Marcus, Oct 21 2015

Links

Table of n, a(n) for n=1..34.

Example

a(3) = 89 because 89 = 2 + 5 + 11 + 17 + 23 + 31.

Mathematica

Select[Table[Plus @@ Prime[2Range[i] - 1], {i, 1000}], PrimeQ[ # ] &]

Prog

(PARI) lista(nn) = {s = 0; add = 1; forprime(p=1, nn, if (add, s += p; if (isprime(s), print1(s, ", ")); ); add = ! add; ); } \\ Michel Marcus, Oct 21 2015

Crossrefs

Cf. A077131.

Sequence in context: A119157 A079701 A327039 * A123995 A350754 A224439

Adjacent sequences: A096205 A096206 A096207 * A096209 A096210 A096211

Keyword

nonn

Author

Alonso del Arte, Jul 27 2004

Status

approved