OFFSET
1,4
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..121
FORMULA
EXAMPLE
If n = 1, 2 or 3, then 10^n - 3 is prime and thus the first three terms are 1.
MATHEMATICA
Table[Length[FactorInteger[10^n - 3]], {n, 1, 50}] (* Stefan Steinerberger, Feb 21 2006 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Parthasarathy Nambi, Apr 05 2005
EXTENSIONS
More terms from Stefan Steinerberger, Feb 21 2006
More terms from Amiram Eldar, Jan 25 2020
STATUS
approved