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Search: id:A001280
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| A001280 |
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Number of permutations of length n by rises. (Formerly M4811 N2058)
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+0 3
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| 11, 309, 5805, 95575, 1516785, 24206055, 396475975, 6733084365, 119143997490, 2201649739310, 42514526708766, 857750898213594, 18068801884373310, 397038791150060850, 9090755207499817170, 216635190303090215910
(list; graph; listen)
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