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A202622 as a simple table

n a(n)
0 1
1 2
2 60
3 18
4 22680
5 85050
6 52123500
7 3831077250
8 142098138000
9 325641566250
10 58468943220187500
11 27563930375231250
12 798802702274201625000
13 3634552295347617393750
14 1801743872907365887500
15 14229272236285922096531250
16 13586109131205798417768037500000
17 43305722855718482456635619531250

[1,2,60,18,22680,85050,52123500,3831077250,
 142098138000,325641566250,58468943220187500,
 27563930375231250,798802702274201625000,
 3634552295347617393750,1801743872907365887500,
 14229272236285922096531250,
 13586109131205798417768037500000,
 43305722855718482456635619531250]

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Last modified October 19 04:40 EDT 2019. Contains 328211 sequences. (Running on oeis4.)