/usr/share/terminfo/Q/Q306-8-pc is in ncurses-term 5.9+20140118-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/terminfo/Q/../b/bq300-8-pc
/usr/share/terminfo/Q/../b/bq300-8-pc