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A227292 as a simple table

n a(n)
0 1
1 0
2 1
3 1
4 5
5 16
6 80
7 436
8 2786
9 19538
10 147771
11 1182095
12 9890463
13 85866068
14 769212600
15 7080642324
16 66754295740
17 642857161008
18 6309892895338
19 6300760829973
20 639049976047882
21 6574281878157350
22 68519019810831408
23 722711344283052608
24 7707346411412142258
25 83037096707432139882

[1,0,1,1,5,16,80,436,2786,19538,147771,1182095,
 9890463,85866068,769212600,7080642324,66754295740,
 642857161008,6309892895338,6300760829973,
 639049976047882,6574281878157350,
 68519019810831408,722711344283052608,
 7707346411412142258,83037096707432139882]

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Last modified April 24 19:06 EDT 2024. Contains 371962 sequences. (Running on oeis4.)