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colinfang

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264 reputation
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Find the number of arrangements of $k \mbox{ }1'$s, $k \mbox{ }2'$s, $\cdots, k \mbox{ }n'$s - total $kn$ cards.

combinatorics
may 1 '12 at 3:36 Jair Taylor 1,325
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How many arrangements of $\{a,2b,3c,4d, 5e\}$ have no identical consecutive letters?

combinatorics permutations
oct 28 '11 at 18:57 leonbloy 12.2k
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Gambler's ruin (calculating probabilities--hitting time)

homework probability-theory stochastic-processes markov-chains
nov 8 '11 at 5:46 Did 103k
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