Henry Ernest Dudeney/Puzzles and Curious Problems/275 - The Necklace Problem
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Puzzles and Curious Problems by Henry Ernest Dudeney: $275$
- The Necklace Problem
- How many different necklaces can be made with $8$ beads, where each bead may be either black or white,
- the beads being indistinguishable except by colour?
Click here for solution
Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Combination and Group Problems: $275$. -- The Necklace Problem
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Combinatorial & Topological Problems: Miscellaneous Combinatorial Puzzles: $458$. The Necklace Problem