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A106000 Keep only the first digit of each integer and concatenate them. The result is the concatenation of all integers of the sequence. 0

%I

%S 0,1,2,3,4,5,6,7,8,9,11,12,111,211,1111,1112,1113,2111,11111,11112,

%T 11113,11114,11115,11116,11117,11118,11119,21111,111111,111112,111113,

%U 311111,2111111,11111111,11111112,11111113,11111114,11111115,11111116

%N Keep only the first digit of each integer and concatenate them. The result is the concatenation of all integers of the sequence.

%C Could one say this is kind of fractal ?

%K base,easy,nonn

%O 0,3

%A _Eric Angelini_, Apr 29 2005

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Last modified January 25 17:16 EST 2020. Contains 331245 sequences. (Running on oeis4.)