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A113617
Primes in the sums of the first 2^n primes or primes in A099825.
1
2, 5, 17, 8893, 868151, 3875933, 219554912086470964379, 63036368490471985096643, 26151660747268050131008657684404431
OFFSET
1,1
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
Cino Hilliard, Sum first 2^n Primes. [Link corrected by Alexey Beshenov, Jan 25 2009] [broken link]
FORMULA
a(n) = A099825(A121248(n)). - Amiram Eldar, Jul 01 2024
EXAMPLE
Sum of first 2^32 primes = 219554912086470964379 which is prime.
CROSSREFS
Sequence in context: A281312 A182313 A124374 * A226069 A258429 A117839
KEYWORD
nonn,hard,more
AUTHOR
Cino Hilliard, Jan 14 2006
EXTENSIONS
Offset corrected and a(8)-a(9) added by Amiram Eldar, Jul 01 2024
STATUS
approved