OFFSET
1,2
COMMENTS
Next term is approximately 1.386 * 10^43. [Charles R Greathouse IV, Feb 26 2012]
PROG
(PARI) for(k=1, log(default(primelimit))\log(2), p=precprime(2^k); q=nextprime(2^k+1); t=2^(q-p); if(p<=t&&q>t, print1(primepi(p)", "))) \\ Charles R Greathouse IV, Feb 26 2012
CROSSREFS
KEYWORD
nonn
AUTHOR
Gerasimov Sergey, Feb 26 2012
EXTENSIONS
a(4) corrected, a(6)-a(7) added by Charles R Greathouse IV, Feb 26 2012
STATUS
approved