A216843 - OEIS

%I #21 Aug 19 2015 23:30:16

%S 624,910,19040,17520,7056,16842,13320,42876,30480,27650,14376,18226,

%T 22708,27870,33760,50524,71856,70338,55981,113694,107888,75810,139920,

%U 223000,140608,157464,175616,195112,125000,238328,262144,287496,314432,343000,238329

%N Smallest palindromic numbers of length 4 in two bases differing by n.

%C See A216841 and A216840 for their comment sections.  The A171*** c-refs are to various record small multi-base palindromes.  The others are the remainder of this collection.

%H Chai Wah Wu, <a href="/A216843/b216843.txt">Table of n, a(n) for n = 2..1000</a>

%e 624 (in decimal), the 1st term here, is 4444 in base 5 and 1551 in base 7.

%Y Cf. A171701, A171702, A171703, A171704, A171705, A171706, A171740, A171741, A171742, A171775, A216840, A216841, A216899, A216900, A216901, A216902, A216903, A216904, A216905, A216906, A216907, A216908, A216909, A216910.

%K nonn,base

%O 2,1

%A _James G. Merickel_, Sep 19 2012

%E More terms from _Chai Wah Wu_, Aug 16 2015