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A068507 as a simple table

n a(n)
1 4
2 6
3 12
4 60
5 180
6 240
7 7560
8 55440
9 110880
10 73329656400
11 18632716502400
12 130429015516800
13 48519593772249600
14 149602080797769600
15 74377068101903920953600
16 927967188666725711881005276648000
17 241271469053348685089061371928480000

[4,6,12,60,180,240,7560,55440,110880,73329656400,
 18632716502400,130429015516800,48519593772249600,
 149602080797769600,74377068101903920953600,
 927967188666725711881005276648000,
 241271469053348685089061371928480000]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)