LikePages are pages which share an initial or final word with that
page. See also Wiki:LikePages and MeatBall:LikePages.
These pages share an initial or final title word with '[ sqrt(3) r1^n/6 - sqrt(3) r2^n?'
lib/CachedMarkup.php (In template 'browse' < 'body' < 'html'):499: Notice: Only variables should be assigned by reference