OFFSET
1,1
COMMENTS
The corresponding values of Omega: 1, 1, 2, 3, 2, 2, 3, 3, 3, 3, 4, 2, 3, 3, 3, 3, 2, 6, 5, 4, 3, 4, 4, 4, 2, 4, 3, 3, 7, 4, 2, 4, 4, 4, 4, 5, 5, 5, 3, 5, 5, 6, 5, 6, 4, 5, 4, 5, 7, 6, 8.
EXAMPLE
2 is a term since Omega(3^2 - 2) = Omega(7) = 1, and Omega(3^2 + 2) = Omega(11) = 1.
MATHEMATICA
Select[Range[200], PrimeOmega[3^#-2] == PrimeOmega[3^#+2]&]
PROG
(PARI) for (k = 1, 200, if ((m = bigomega (3^k - 2)) == bigomega (3^k + 2), print (k ", " m ", ")))
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Sep 25 2020
EXTENSIONS
a(36)-a(51) from Amiram Eldar, Sep 25 2020
STATUS
approved