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%I #9 Oct 29 2019 04:39:14
%S 1,9,81,8,72,7,63,6,54,5,45,41,4,36,33,3,27,25,23,21,2,18,17,16,15,14,
%T 13,12,11,10,90,82,74,67,61,55,50,46,42,38,35,32,29,28,26,24,22,20,19,
%U 171,154,139,126,114,103,93,84,76,69,64,58,53,48,44,40,37
%N Lexicographically earliest sequence of distinct positive numbers such that for any n > 0, the first nonzero digit of a(n+1)/a(n) is "9".
%C In other words, for any n > 0, we have an integer k such that floor(10^k * a(n+1)/a(n)) = 9.
%C The scatterplot of n -> a(n)/n shows 22 quivering lines.
%H Rémy Sigrist, <a href="/A328760/b328760.txt">Table of n, a(n) for n = 1..10000</a>
%e The first terms, alongside a(n+1)/a(n), are:
%e n a(n) a(n+1)/a(n)
%e -- ---- -----------
%e 1 1 9
%e 2 9 9
%e 3 81 0.098765...
%e 4 8 9
%e 5 72 0.097222...
%e 6 7 9
%e 7 63 0.095238...
%e 8 6 9
%e 9 54 0.092592...
%e 10 5 9
%e 11 45 0.911111...
%e 12 41 0.097560...
%Y See A328752 for similar sequences.
%K nonn,base
%O 1,2
%A _Rémy Sigrist_, Oct 27 2019
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