%N If the name of the n-th King or Queen of Denmark is King (or Queen) XXX the k-th, then the n-th term is k.
%H Robert Warholm, <a href="https://web.archive.org/web/20110718152903/http://www.warholm.nu/Kingdan.html">All the Kings of Denmark</a> [Internet Archive Wayback Machine]
%e According to Warholm's website, the current monarch, Queen Margrethe II, is the 52nd ruler of Denmark, so a(52) = 2.
%Y Cf. A113515.
%A _N. J. A. Sloane_, Feb 21 2006