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Search: id:A050212
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| A050212 |
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Triangle of number of permutations of {1, 2, ..., n} having exactly k cycles, each of which is of length >=r for r=4. |
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3
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| 6, 24, 120, 720, 5040, 1260, 40320, 18144, 362880, 223776, 3628800, 2756160, 39916800, 35307360, 1247400, 479001600, 476910720, 38918880, 6227020800, 6822541440, 889945056, 87178291200, 103440879360, 18478684224
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