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A086045 Position of second occurrence of n in concatenated numbers (A033307, Champernowne constant). 2

%I

%S 12,11,16,18,20,22,24,26,28,30,191,14,15,54,74,94,114,134,154,174,252,

%T 33,36,37,76,96,116,136,156,176,282,53,55,58,59,98,118,138,158,178,

%U 312,73,75,77,80,81,120,140,160,180,342,93,95,97,99,102,103,142

%N Position of second occurrence of n in concatenated numbers (A033307, Champernowne constant).

%C A033307(a(n)) = A000030(n); a(n)>A086044(n);

%C A033307(a(n)+i) = A033307(A086044(n)+i), 0<=i < A055642(n).

%H Paul Tek, <a href="/A086045/b086045.txt">Table of n, a(n) for n = 0..10000</a>

%K nonn,base

%O 0,1

%A _Reinhard Zumkeller_, Jul 07 2003

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Last modified September 27 10:28 EDT 2021. Contains 347689 sequences. (Running on oeis4.)