

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
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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 crossreference are others in the collection including this one, while A171*** sequences are various record multibase palindromes.


LINKS

Table of n, a(n) for n=1..14.


EXAMPLE

The first term is 53363336335 in base 7 and is 13457775431 in base 8.


CROSSREFS

Cf. A171701, A171702, A171703, A171704, A171705, A171706, A171740, A171741, A171742, A171775, A216840, A216841, A216843, A216899, A216900, A216901, A216902, A216903, A216904, A216906, A216907, A216908, A216909, A216910.
Sequence in context: A276820 A273815 A258885 * A166383 A227444 A329463
Adjacent sequences: A216902 A216903 A216904 * A216906 A216907 A216908


KEYWORD

nonn,base


AUTHOR

James G. Merickel, Sep 19 2012


EXTENSIONS

a(11)a(14) from Chai Wah Wu, Aug 19 2015


STATUS

approved



