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A130175 2n+1 appears (last digit of 2n+1) times . 0

%I

%S 1,3,3,3,5,5,5,5,5,7,7,7,7,7,7,7,9,9,9,9,9,9,9,9,9,11,13,13,13,15,15,

%T 15,15,15,17,17,17,17,17,17,17,19,19,19,19,19,19,19,19,19,21,23,23,23,

%U 25,25,25,25,25,27,27,27,27,27,27,27,29,29,29,29,29,29,29,29,29,31,33,33

%N 2n+1 appears (last digit of 2n+1) times .

%t Table[Table[n,{Mod[n,10]}],{n,1,35,2}]//Flatten (* _Harvey P. Dale_, Apr 24 2018 *)

%Y Cf. A130146.

%K nonn,base

%O 1,2

%A _Paul Curtz_, Aug 05 2007

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Last modified May 16 15:55 EDT 2021. Contains 343949 sequences. (Running on oeis4.)