|
|
A087933
|
|
Primes p such that pi(2^k) = p, for some k > 1.
|
|
0
|
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
The next term is greater than pi(2^86).
|
|
LINKS
|
|
|
PROG
|
(PARI) lista(nn) = {for (n=1, nn, if (isprime(k=primepi(2^n)), print1(k, ", ")); ); } \\ Michel Marcus, Aug 26 2019
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|