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A238685 as a simple table

n a(n)
1 1
2 -6
3 210
4 -17640
5 2693880
6 -649479600
7 226750764240
8 -108116216208000
9 67478689070432640
10 -53382381970299782400
11 52192613508738839136000
12 -61794396463636399635072000
13 87121906773549083421777792000
14 -144222462676882552982237906688000

[1,-6,210,-17640,2693880,-649479600,226750764240,
 -108116216208000,67478689070432640,
 -53382381970299782400,52192613508738839136000,
 -61794396463636399635072000,
 87121906773549083421777792000,
 -144222462676882552982237906688000]

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Last modified April 21 07:14 EDT 2021. Contains 343146 sequences. (Running on oeis4.)