OFFSET
1,3
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
MATHEMATICA
a[n_] := PrimeOmega[1 + n * Times @@ FactorInteger[n][[;; , 1]]]; Array[a, 100] (* Amiram Eldar, Sep 08 2024 *)
PROG
(PARI) a(n)=bigomega(n*vecprod(factor(n)[, 1])+1) \\ Charles R Greathouse IV, Jul 09 2013
(Haskell)
a078314 = a001222 . a078310 -- Reinhard Zumkeller, Jul 23 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 23 2002
STATUS
approved