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A044812 Numbers n such that string 9,9 occurs in the base 10 representation of n but not of n+1. 0

%I #17 Mar 30 2012 18:56:47

%S 99,199,299,399,499,599,699,799,899,999,1099,1199,1299,1399,1499,1599,

%T 1699,1799,1899,1999,2099,2199,2299,2399,2499,2599,2699,2799,2899,

%U 2999,3099,3199,3299,3399,3499,3599,3699,3799,3899

%N Numbers n such that string 9,9 occurs in the base 10 representation of n but not of n+1.

%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/NonRecursions.html">Non Recursions</a>

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified March 28 14:33 EDT 2024. Contains 371254 sequences. (Running on oeis4.)