Fixes issue pandas-dev#27563

Author: elisamalzoni

pandas/core/config_init.py

@@ -343,6 +343,8 @@ def is_terminal():
     )
     cf.register_option("max_categories", 8, pc_max_categories_doc, validator=is_int)
     cf.register_option("max_colwidth", 50, max_colwidth_doc, validator=is_int)
+    cf.register_option("repeating_row_index", 0, validator=is_int)
+
     if is_terminal():
         max_cols = 0  # automatically determine optimal number of columns
     else:

pandas/io/formats/html.py

@@ -420,6 +420,10 @@ def _write_regular_rows(
                     tags=None,
                     nindex_levels=self.row_levels,
                 )
+            j = get_option("display.repeating_row_index")
+            
+            if j > 0 and i % j == 0 and i > 0 :
+                row.append(self._write_col_header(indent))
 
             row = []
             if self.fmt.index: