OFFSET
1,1
COMMENTS
3|p^2+2 for all p except 3 hence 3|A061725(n) for all n except n=2. If p^2+2 is semiprime it is of form 3*prime.
PROG
(PARI) lista(nn) = {vec = vector(nn, i, prime(i)^2 + 2); pp = select(i->((bigomega(i) == 2) && !(i % 3)), vec); print(pp); } \\ Michel Marcus, Oct 13 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Dec 22 2007
EXTENSIONS
Typo in Comment corrected by Shai Covo (green355(AT)netvision.net.il), Oct 11 2010
STATUS
approved