Lemma
EasyCounting
#854 · Combinatorics · Counting

Changes with seven bells, tenor fixed

How many distinct changes can be rung with a peal of 7 bells when the tenor bell must always be last?

~2 minAnswer checked instantlypermutations with restriction

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. XI. Permutations and Combinations, Examples XI.a, No. 10

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