In Writer > Tools > Customize > (Menus/Context Menus/Toolbars) > Add Command, the category "Styles > Table" is empty.
The table styles also available in "Styles & Formatting" sidebar should be visible here.
Maxim Monastirsky committed a patch related to this issue.
It has been pushed to "master":
tdf#107852 Support DisplayName property for table styles
It will be available in 5.4.0.
The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
Affected users are encouraged to test the fix and report feedback.
Build ID: 296c2296f5565556eea9fab51563050f28bbcafc
CPU threads: 2; OS: Linux 4.4; UI render: default; VCL: gtk2;
TinderBox: Linux-rpm_deb-x86_64@70-TDF, Branch:master, Time: 2017-05-17_00:33:24
Locale: en-US (en_US.UTF-8); Calc: group