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Search: id:A152506
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| A152506 |
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1/5 of the number of permutations of 4 indistinguishable copies of 1..n with exactly 4 local maxima. |
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| 0, 1, 3277, 2483739, 1156102209, 443469188267, 156475306087585
(list; graph; listen)
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