OFFSET
3,1
LINKS
EXAMPLE
a(2)=8911, so largest pseudoprime (base 2) of 4 digits is 8911.
CROSSREFS
KEYWORD
hard,nonn,base
AUTHOR
Shyam Sunder Gupta, Feb 14 2002
EXTENSIONS
More terms from Farideh Firoozbakht, Jan 11 2007
a(17)-a(19) from Amiram Eldar, Jun 30 2019
STATUS
approved