OFFSET
1,1
COMMENTS
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..100
EXAMPLE
9046409 is also a 7-digit palindrome in base 14 (in addition to decimal). No smaller number is a 7-digit palindrome in both of two bases that differ by 4.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
James G. Merickel, Sep 19 2012
EXTENSIONS
More terms from Chai Wah Wu, Aug 16 2015
STATUS
approved