cp's OEIS Frontend

A130571 Lexicographically earliest 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.

%I A130571 #13 Apr 04 2015 21:49:03
%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,
%T A130571 25,26,27,28,29,31,32,33,40,34,35,36,37,38,39,41,42,43,44,50,45,46,47,
%U A130571 48,49,51,52,53,54,55,60,56,57,58,59,61,62,63,64,65,66,70,67,68,69,71,72,73,74,75,76,77,80,78,79,81,82,83,84,85,86,87,88,90,89,100,91,92,93,94,95,96,97,98,99,101,200,102,103,104,105,106,107,108,109,110,111,201,202,112,113,114
%N A130571 Lexicographically earliest 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 More than the usual number of terms are displayed, in order to show the difference between this and some closely related sequences. - _N. J. A. Sloane_, Mar 13 2014
%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="/A130571/b130571.txt">Table of n, a(n) for n = 0..12500</a>
%H A130571 <a href="/index/Fi#final">Index entries for sequences related to final digits of numbers</a>.
%H A130571 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%Y A130571 For a closely related family of sequences see A239083-A239086, A239136-A239139, A239087-A239090, A239215-A239218, A239235.
%K A130571 nonn,base,look
%O A130571 0,3
%A A130571 _Reinhard Zumkeller_, Jun 05 2007