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A147278 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 5
7 13
8 29
9 79
10 475
11 3011
12 19375
13 140949
14 1504567
15 19831039
16 315319119
17 5871550053
18 136334165017
19 3923421131189
20 139268183686163 

[1,1,1,1,1,5,13,29,79,475,3011,19375,140949,
 1504567,19831039,315319119,5871550053,
 136334165017,3923421131189,139268183686163]

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Last modified July 13 20:28 EDT 2024. Contains 374288 sequences. (Running on oeis4.)