A113617 Primes in the sums of the first 2^n primes or primes in A099825(n).

2, 5, 17, 8893, 868151, 3875933, 219554912086470964379

Offset

0,1

Comments

The programs in the link require the construction of a wall to wall binary file containing the first 10.6 * 10^9 primes.

Links

Table of n, a(n) for n=0..6.

C. Hilliard, Sum first 2^n Primes. [Link corrected by Alexey Beshenov, Jan 25 2009]

Example

Sum of first 2^32 primes = 219554912086470964379 which is prime.

Crossrefs

Cf. A099825.

Sequence in context: A281312 A182313 A124374 * A226069 A258429 A117839

Adjacent sequences: A113614 A113615 A113616 * A113618 A113619 A113620

Keyword

hard,nonn

Author

Cino Hilliard, Jan 14 2006

Status

approved