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A159261
Primes of the form 1 + sum_{i=1..n} 2^prime[i] for some n.
2
5, 13, 173, 2111, 665773, 3142394278117397493736691789093238367784438314557856426157
OFFSET
1,1
COMMENTS
Primes whose binary representation has the 0 and prime bits set up to prime(n). The values of n are in A159260.
MATHEMATICA
s=1; Reap[Do[s=s+2^Prime[n]; If[PrimeQ[s], Sow[s]], {n, 50}]][[2, 1]]
CROSSREFS
Sequence in context: A336097 A187894 A214591 * A117077 A124924 A209271
KEYWORD
nonn
AUTHOR
T. D. Noe, Apr 07 2009
STATUS
approved