%I A130571
%S A130571 0,1,2,3,4,5,6,7,8,9,10,11,20,12,13,14,15,16,17,18,19,21,22,30,23,24,25,
%T A130571 26,27,28,29,31,32,33,40,34,35,36,37,38,39,41,42,43,44,50,45,46,47,48,
%U A130571 49,51,52,53,54,55,60,56,57,58,59,61,62,63,64,65,66,70,67,68,69,71,72
%N A130571 Lexicographically smallest permutation of the natural numbers such that 
               in decimal representation the final digit of each term is distinct 
               from the initial digit of the succeeding term.
%C A130571 A010879(a(n)) <> A000030(a(n+1));
%C A130571 A130572 is the inverse permutation; A130573(n) = a(a(n));
%C A130571 a(A130575(n)) = A130575(n);
%C A130571 see A130576 and A130577 for record values and where they occur.
%H A130571 R. Zumkeller, <a href="b130571.txt">Table of n, a(n) for n = 0..12500</
               a>
%H A130571 <a href="Sindx_Fi.html#final">Index entries for sequences related to 
               final digits of numbers</a>.
%H A130571 <a href="Sindx_Per.html#IntegerPermutation">Index entries for sequences 
               that are permutations of the natural numbers</a>
%Y A130571 Sequence in context: A033000 A130573 A032980 this_sequence A084383 A032873 
               A072543
%Y A130571 Adjacent sequences: A130568 A130569 A130570 this_sequence A130572 A130573 
               A130574
%K A130571 nonn,base
%O A130571 0,3
%A A130571 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 05 2007