OFFSET
1,2
LINKS
Jens Kruse Andersen, Table of n, a(n) for n = 1..10000
MATHEMATICA
Table[PrimeNu[Prime[n]^3 - 1], {n, 100}] (* Vincenzo Librandi, Aug 06 2014 *)
PROG
(PARI) vector(500, n, omega(prime(n)^3-1)) \\ Derek Orr, Aug 05 2014
(Python) from sympy import primefactors, prime
def A245909(n):
....return len(primefactors(prime(n)**3-1)) # Chai Wah Wu, Aug 05 2014
(Magma) [#PrimeDivisors(p^3-1): p in PrimesUpTo(500)]; // Bruno Berselli, Aug 06 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
R. J. Mathar, Aug 05 2014
STATUS
approved