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Numbers m such that the digital root in balanced ternary representation equals +1.
4

%I #7 Mar 30 2012 18:50:59

%S 1,3,7,9,11,13,19,21,25,27,29,31,33,35,37,39,49,55,57,61,63,65,67,73,

%T 75,79,81,83,85,87,89,91,93,97,99,101,103,105,107,109,111,113,115,117,

%U 119,139,145,147,157,163,165,169,171,173,175,181,183,187,189,191,193,195

%N Numbers m such that the digital root in balanced ternary representation equals +1.

%C A134452(a(n)) = 1; union with A134453 gives the odd numbers (A005408).

%H R. Zumkeller, <a href="/A134454/b134454.txt">Table of n, a(n) for n = 1..1000</a>

%K nonn,base

%O 1,2

%A _Reinhard Zumkeller_, Oct 27 2007