

A216903


Smallest palindromic number of 9 digits in two bases differing by n.


15




OFFSET

1,1


COMMENTS

See comments to A216840 and A216841. Smaller bases of pair are 7, 8, 10, 13, 14, 17, 18, 19, 22, 23. Other sequences directly connected with this one are the A216*** crossreferences, while the A171*** ones are various record multibase palindromes.


LINKS

Table of n, a(n) for n=1..10.


EXAMPLE

The first term is 456232654 in base 7 and is 152414251 in base 8.


CROSSREFS

Cf. A171701, A171702, A171703, A171704, A171705, A171706, A171740, A171741, A171742, A171775, A216840, A216841, A216843, A216899, A216900, A216901, A216902, A216904, A216905, A216906, A216907, A216908, A216909, A216910.
Sequence in context: A275612 A275613 A204805 * A114681 A214134 A205933
Adjacent sequences: A216900 A216901 A216902 * A216904 A216905 A216906


KEYWORD

nonn,base


AUTHOR

James G. Merickel, Sep 19 2012


STATUS

approved



