OFFSET
1,3
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..96 (using factordb.com)
Dario Alpern, Factorization using the Elliptic Curve Method.
FactorDB, Status of 509^97-1.
EXAMPLE
MATHEMATICA
Table[PrimeNu[Prime[n]^n - 1], {n, 1, 30}] (* Amiram Eldar, Feb 17 2020 *)
PROG
(PARI) for(n=1, 52, print1(omega(prime(n)^n-1)", ")) \\ Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 03 2008
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Mar 24 2002
EXTENSIONS
More terms from Hugo Pfoertner, May 18 2004
More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 03 2008
a(53)-a(75) using factordb.com from Amiram Eldar, Feb 17 2020
STATUS
approved