OFFSET
3,1
COMMENTS
The next term is a(7) > 10^22.
EXAMPLE
First and smallest occurrence of n, n >= 3, consecutive palindromic primes in arithmetic progression:
a(3) = 3: (3, 5, 7);
a(4) = 1120211: (1120211, 1123211, 1126211, 1129211);
a(5) = 13201010231: (13201010231, 13202120231, 13203230231, 13204340231, 13205450231);
a(6) = 1981856124216581891: (1981856124216581891, 1981856135316581891, 1981856146416581891, 1981856157516581891, 1981856168616581891, 1981856179716581891)
CROSSREFS
KEYWORD
nonn,base,hard,more
AUTHOR
Shyam Sunder Gupta, Sep 28 2013
STATUS
approved