A216906 - OEIS

%I #14 Aug 22 2015 00:49:44

%S 248876637484140,1013960892216384,1093158208940760,101975569769446364,

%T 16699985993414520,1310809863419914830,331113952227684640

%N Smallest palindromic number of length 12 in two bases differing by n.

%C See comments in A216840, A216841. Smaller of pair of bases are 17, 20, 19, 28, 23.  A216*** cross-references are other sequences in a collection that includes this one, while A171*** sequences are various record multi-base palindromes.

%e The first term is 747B6336B747 in base 17 and 22B4I88I4B22 in base 19.

%Y Cf. A171701, A171702, A171703, A171704, A171705, A171706, A171740, A171741, A171742, A171775, A216840, A216841, A216843, A216899, A216900, A216901, A216902, A216903, A216904, A216905, A216907, A216908, A216909, A216910.

%K nonn,base

%O 2,1

%A _James G. Merickel_, Sep 19 2012

%E a(7)-a(8) from _Chai Wah Wu_, Aug 19 2015