OFFSET
1,1
LINKS
Makoto Kamada, Factorizations of 99...997.
FORMULA
EXAMPLE
The number of distinct prime divisors of 10000^1 - 3 is 2, so the first term is 2.
MATHEMATICA
PrimeNu[#]&/@(10000^Range[10]-3) (* The program generates the first 10 terms of the sequence. *) (* Harvey P. Dale, Feb 05 2023 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Parthasarathy Nambi, Apr 06 2005
EXTENSIONS
More terms from Robert G. Wilson v, Apr 08 2005
STATUS
approved