OFFSET
0,1
REFERENCES
For 17-digit palindromic primes, work of Martin Eibl, Carlos Rivera and Warut Roonguthai on De Geest's website
LINKS
FORMULA
a(n) = (2n+1)*A040025(n). - Michel Marcus, Jul 24 2015
EXAMPLE
There are 5172 9-digit palindromic primes, 5172*9 = 46548 digits.
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
EXTENSIONS
a(9)-a(11) from A040025 by Michel Marcus, Jul 24 2015
STATUS
approved