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A171109 as a simple table

n a(n)
1 0
2 0
3 1
4 225
5 87192
6 57435240
7 60478511040
8 96212546526096
9 220716443548094400
10 702901008498298112640
11 3011788599493603375929600
12 16916605752011965307094124800
13 121848941490162387021464335349760
14 1104617766019213143798099163667712000

[0,0,1,225,87192,57435240,60478511040,
 96212546526096,220716443548094400,
 702901008498298112640,3011788599493603375929600,
 16916605752011965307094124800,
 121848941490162387021464335349760,
 1104617766019213143798099163667712000]

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Last modified September 17 19:20 EDT 2024. Contains 375990 sequences. (Running on oeis4.)