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A108033
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n!*(3*n^2-13*n+14)/6.
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0
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0, 2, 40, 480, 5280, 58800, 685440, 8467200, 111283200, 1556755200, 23151744000, 365318553600, 6102480384000, 107665189632000, 2001613565952000, 39125617090560000, 802430837784576000, 17233055891251200000, 386831419300085760000, 9060127078449807360000
(list; graph; refs; listen; history; internal format)
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