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

2, 5, 17, 8893, 868151, 3875933, 219554912086470964379, 63036368490471985096643, 26151660747268050131008657684404431

Offset: 1

Author

Cino Hilliard, Jan 14 2006

Keywords

• nonn
• hard
• more

Comments

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

Examples

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

Links

• Cino Hilliard, Sum first 2^n Primes. [Link corrected by Alexey Beshenov, Jan 25 2009] [broken link]

Crossrefs

Cf. A099825, A121248.

Formula

a(n) = A099825(A121248(n)). - Amiram Eldar, Jul 01 2024

Extensions

Offset corrected and a(8)-a(9) added by Amiram Eldar, Jul 01 2024