%I
%S 729,1458,2916,5832,11664,15625,23328,31250,46656,62500,93312,117649,
%T 125000,186624,235298,250000,373248,470596,500000,746496,941192,
%U 1000000,1492992,1771561,1882384,2000000,2985984,3543122,3764768,4000000,4826809,5971968,7086244,7529536,8000000,9653618
%N Numbers with 7 odd divisors.
%C Positive integers that have exactly seven odd divisors.
%C Numbers n such that the symmetric representation of sigma(n) has 7 subparts.  _Omar E. Pol_, Dec 28 2016
%F A001227(a(n)) = 7.
%o (PARI) isok(n) = sumdiv(n, d, (d%2)) == 7; \\ _Michel Marcus_, Apr 03 2016
%Y Column 7 of A266531.
%Y Cf. A001227, A038547, A236104, A237593, A279387.
%Y Numbers with k odd divisors (k = 1..10): A000079, A038550, A072502, apparently A131651, A267696, A230577, this sequence, A267891, A267892, A267893.
%K nonn
%O 1,1
%A _Omar E. Pol_, Apr 03 2016
%E More terms from _Michel Marcus_, Apr 03 2016
