OFFSET
1,1
LINKS
K. D. Bajpai, Table of n, a(n) for n = 1..9380
EXAMPLE
11 is prime and appears in the sequence because 11^3 - 2 = 1329 = 3 * 443, which is a semiprime.
17 is prime and appears in the sequence because 17^3 - 2 = 4911 = 3 * 1637, which is a semiprime.
23 is prime but does not appear in the sequence because 23^3 - 2 = 12165 = 3 * 5 * 811, which is not a semiprime.
MAPLE
MATHEMATICA
A241716 = {}; Do[t = Prime[n]; If[PrimeOmega[t^3 - 2] == 2, AppendTo[A241716, t]], {n, 500}]; A241716
Select[Prime[Range[200]], PrimeOmega[#^3-2]==2&] (* Harvey P. Dale, Dec 09 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
K. D. Bajpai, Apr 27 2014
STATUS
approved