Three-Colour Bracelets
A bracelet consists of 6 beads equally spaced on a circular loop, each bead red, green or blue (not every colour need be used). Two bracelets are the same if one can be rotated and/or flipped over to match the other. How many different bracelets are there? Give an integer.
Related problems & prerequisites
Worth solving first
- Two-Color Necklaces 5.0/10
Source: Standard application of Burnside's lemma; no traceable original source. Statement written for AxiomIQ.