%I #7 Jan 14 2020 04:17:17
%S 1,10,5,7,7,13,3
%N Denominator of Second Mills Number M_2(n).
%H B. Guiduli and Z. Kiraly, <a href="https://doi.org/10.1016/S0012-365X(97)00136-2">On intersecting hypergraphs</a>, Discr. Math., 182 (1998), 139-151.
%Y Cf. A030070.
%K nonn,frac,more
%O 4,2
%A _N. J. A. Sloane_.