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A225785 as a simple table

n a(n)
1 0
2 12
3 84
4 3960
5 27144
6 1275204
7 8740380
8 410611824
9 2814375312
10 132215732220
11 906220110180
12 42573055163112
13 291800061102744
14 13708391546789940
15 93958713454973484
16 4414059505011197664
17 30254413932440359200
18 1421313452222058857964

[0,12,84,3960,27144,1275204,8740380,410611824,
 2814375312,132215732220,906220110180,
 42573055163112,291800061102744,13708391546789940,
 93958713454973484,4414059505011197664,
 30254413932440359200,1421313452222058857964]

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)