%N Irregular triangle in which row n has primitive numbers k such that 1/k is in the Cantor set and the fraction 1/k has period n.
%C This sequence is a permutation of A173793. Row n ends with (3^n-1)/2. The length of row n is A173801(n).
%H T. D. Noe, <a href="/A173800/b173800.txt">Rows n=1..200, flattened</a>
%A _T. D. Noe_, Feb 25 2010