/usr/share/tabset/vt300 is in ncurses-base 6.0+20161126-1+deb9u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2
[3g P2$t9/17/25/33/41/49/57/65/73/81/89/97/105/113/121/129\