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A143877 as a simple table

n a(n)
0 1
1 2
2 1
3 7
4 4
5 55
6 17
7 576
8 129
9 13243
10 1554
11 465675
12 35443
13 32233206
14 1330673
15 3746034675
16 92945020

[1,2,1,7,4,55,17,576,129,13243,1554,465675,35443,
 32233206,1330673,3746034675,92945020]

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Last modified January 24 22:45 EST 2022. Contains 350565 sequences. (Running on oeis4.)