OFFSET
1,1
COMMENTS
Primes of the form A162143(k)-2.
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..11612
EXAMPLE
53359 + 2 = 3^2*7^2*11^2. 74527 + 2 = 3^2*7^2*13^2.
MATHEMATICA
f[n_]:=FactorInteger[n][[1, 2]]==2&&Length[FactorInteger[n]]==3&&FactorInteger[n][[2, 2]]==2&&FactorInteger[n][[3, 2]]==2; lst={}; Do[p=Prime[n]; If[f[p+2], AppendTo[lst, p]], {n, 4, 9!}]; lst
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Aug 14 2009
EXTENSIONS
Definition rephrased by R. J. Mathar, Oct 21 2009
STATUS
approved