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A216905
Smallest palindromic number of 11 digits in two bases differing by n.
16
1556085529, 28455496928, 671667243106, 6286726505905, 17441819065567, 96396891300626, 470389217692631, 899379244450606, 2169311631182347, 6355119734595765, 11642138005593761, 28921424479420089, 55584853414001304, 183094184161456101
OFFSET
1,1
COMMENTS
See comments in A216840 and A216841. Smaller of pair of bases are 7, 9, 12, 15, 16, 19, 22, 23, 25, 28. The A216*** sequences in cross-reference are others in the collection including this one, while A171*** sequences are various record multi-base palindromes.
EXAMPLE
The first term is 53363336335 in base 7 and is 13457775431 in base 8.
KEYWORD
nonn,base
AUTHOR
James G. Merickel, Sep 19 2012
EXTENSIONS
a(11)-a(14) from Chai Wah Wu, Aug 19 2015
STATUS
approved