OFFSET
1,1
COMMENTS
a(n) appears to differ from A000005 at n = 1 and when n is a term of A320632. Verified up to n=3000.
See also Charlie Neder's May 14 2019 comment in A307409.
LINKS
FORMULA
MATHEMATICA
a[n_] := (PrimeOmega[n] - 1)*PrimeNu[n] + 2;
Table[a[n], {n, 1, 104}]
PROG
(PARI) A307408(n) = 2+((bigomega(n)-1)*omega(n)); \\ Antti Karttunen, Nov 17 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
Mats Granvik, Apr 07 2019
STATUS
approved