%I

%S 1,3,9,21,39,63,117,147,171,273,333,441,507,819,903,1029,1197,1521,

%T 1911,2223,2331,2709,3081,3087,3249,3549,4329,5733,6123,6321,6327,

%U 6591,6813,7203,8001,8379,9243,10647,11487,11739,12207,12321,13377

%N Numbers k that divide s(k), where s(1)=1, s(j)=9*s(j-1)+j.

%Y s(n) = A014832(n).

%K nonn

%O 1,2

%A _N. J. A. Sloane_, _Olivier GĂ©rard_