OFFSET
1,1
COMMENTS
a(24) > 25000. - Robert Price, May 22 2017
MATHEMATICA
k = 1/2; a = {}; Do[k = k*Prime[n]; If[PrimeQ[k + 512], Print[n]; AppendTo[a, n]], {n, 325}]; a
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Apr 21 2008
EXTENSIONS
a(12)-a(18) from Ray Chandler, Jun 16 2013
a(19)-a(23) from Robert Price, May 22 2017
STATUS
approved