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%I #11 Jul 24 2015 04:55:30
%S 4,45,465,4676,46548,462462,4598113,45549645,459768842,4542783435,
%T 45319909593,454084412972
%N Number of digits in all (2n+1)-digit palindromic primes.
%D For 17-digit palindromic primes, work of Martin Eibl, Carlos Rivera and Warut Roonguthai on De Geest's website
%H P. De Geest, <a href="http://www.worldofnumbers.com/palprim1.htm">World!Of Palindromic Primes, Page 1</a>
%F a(n) = (2n+1)*A040025(n). - _Michel Marcus_, Jul 24 2015
%e There are 5172 9-digit palindromic primes, 5172*9 = 46548 digits.
%Y Cf. A040025.
%K nonn,base,more
%O 0,1
%A _Enoch Haga_
%E a(9)-a(11) from A040025 by _Michel Marcus_, Jul 24 2015
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