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A028440 Golc sequence in base 10. Left to right concatenation of n,int(log_10(n)),int(log_10(int(log_10(n)))),... in base 10. 1

%I #4 Mar 30 2012 17:20:44

%S 10,20,30,40,50,60,70,80,90,101,111,121,131,141,151,161,171,181,191,

%T 201,211,221,231,241,251,261,271,281,291,301,311,321,331,341,351,361,

%U 371,381,391,401,411,421,431,441,451,461,471,481,491,501,511,521,531

%N Golc sequence in base 10. Left to right concatenation of n,int(log_10(n)),int(log_10(int(log_10(n)))),... in base 10.

%K nonn,base,easy

%O 1,1

%A _Olivier GĂ©rard_

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Last modified April 25 10:22 EDT 2024. Contains 371967 sequences. (Running on oeis4.)