%I A082215
%S A082215 1,121,1213121,121312141213121,1213121412131215121312141213121,
%T A082215 121312141213121512131214121312161213121412131215121312141213121,
%U A082215 1213121412131215121312141213121612131214121312151213121412131217121312141213121512131214121312161213121412131\
               215121312141213121
%N A082215 Palindromes obtained in the concatenation of terms starting with the 
               first term of A018238.
%C A082215 Also called Zimin words.
%D A082215 L. J. Cummings and M. Mays, A one-sided Zimin construction, Electron. 
               J. Combin. 8 (2001), #R27
%D A082215 A. I. Zimin, Blocking sets of terms, Math. USSR Sbornik, 47 (1984), No. 
               2, 353-364.
%F A082215 The Zimin words are defined by Z_1 = 1, Z_n = Z_{n-1}nZ_{n-1} - Dmitry 
               Kamenetsky (Dmitry.Kamenetsky(AT)rsise.anu.edu.au), Sep 30 2006
%Y A082215 Cf. A018238, A123121.
%Y A082215 See A001511 for another representation of this sequence of digits.
%Y A082215 Sequence in context: A028463 A013749 A135825 this_sequence A123179 A136094 
               A053885
%Y A082215 Adjacent sequences: A082212 A082213 A082214 this_sequence A082216 A082217 
               A082218
%K A082215 base,nonn
%O A082215 1,2
%A A082215 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 08 2003
%E A082215 More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), 
               May 08 2006