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A089205 as a simple table

n a(n)
1 0
2 4
3 54
4 768
5 12500
6 233280
7 4941258
8 117440512
9 3099363912
10 90000000000
11 2853116706110
12 98077104930816
13 3634501279107036
14 144456088732254208
15 6130514465332031250
16 276701161105643274240
17 13235844190181388226832

[0,4,54,768,12500,233280,4941258,117440512,
 3099363912,90000000000,2853116706110,
 98077104930816,3634501279107036,
 144456088732254208,6130514465332031250,
 276701161105643274240,13235844190181388226832]

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Last modified September 28 14:14 EDT 2022. Contains 357070 sequences. (Running on oeis4.)