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A215555 as a simple table

n a(n)
0 1
1 10
2 209
3 4928
4 122507
5 3137706
6 81921840
7 2167714560
8 57928578191
9 1559830082888
10 42254306265171
11 1150225193717600
12 31437550449182800
13 862165662720962754
14 23713320186494219820
15 653855026849948319616
16 18068367354658442882775
17 500254126810079793897130

[1,10,209,4928,122507,3137706,81921840,2167714560,
 57928578191,1559830082888,42254306265171,
 1150225193717600,31437550449182800,
 862165662720962754,23713320186494219820,
 653855026849948319616,18068367354658442882775,
 500254126810079793897130]

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Last modified January 22 02:46 EST 2022. Contains 350481 sequences. (Running on oeis4.)