Last Updated:2025/11/23
The multifactorial defined by n(n-3)(n-6)(n-9)... arises in certain combinatorial identities.
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The multifactorial defined by n(n-3)(n-6)(n-9)... arises in certain combinatorial identities.
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n(n-3)(n-6)(n-9)…で定義される多重階乗は、特定の組合せ論的恒等式に現れる。