it is now different and has codes. to see information of a club you need to hover the mouse pointer on a badge there's no centered octagonal badge because centered octagons are intersection of squares and odd blocks, as centered octagonal numberblocks are the odd squares
The nth centered m-gonal number is m times the (n-1)th triangular number plus 1 and the average of the centered (m-1)-gonal number and the centered (m+1)-gonal number credit to @ao28th13 for league of elevens, falling apart club, step squad club, cube club, @dizzygabriel20 for super duper rectangle club, @Scratcuser12 for seven hundreds club, @flynnremo255 for centered pentagon club, and @Bluemistplus3 for centered heptagon and centered tridecagon club
