|
Search: id:A131558
|
|
|
| A131558 |
|
Primes which are the sum of the first 10^k primes for some k. |
|
+0
1
|
| |
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Also numbers n such that A099824(n) is prime.
|
|
EXAMPLE
|
The sum of the first 10^1 primes is 129 which is not prime and not in the sequence. The sum of the first 10^9 primes is 11138479445180240497 which is prime and in the sequence.
|
|
CROSSREFS
|
Cf. A099824.
Sequence in context: A124364 A123692 A132942 this_sequence A133857 A153912 A047076
Adjacent sequences: A131555 A131556 A131557 this_sequence A131559 A131560 A131561
|
|
KEYWORD
|
more,nonn,less
|
|
AUTHOR
|
Cino Hilliard (hillcino368(AT)hotmail.com), Aug 27 2007
|
|
|
Search completed in 0.003 seconds
|
