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A318967 as a simple table

n a(n)
0 1
1 1
2 3
3 15
4 69
5 477
6 4167
7 34731
8 333225
9 4058073
10 48535659
11 638782119
12 9690930477
13 146665611765
14 2428164153711
15 44904494549763
16 820664075440593
17 16238018609968689
18 350155700132388435
19 7568774583230565567
20 175171222712837235861
21 4318996957424273510541
22 107317465474650443023383

[1,1,3,15,69,477,4167,34731,333225,4058073,
 48535659,638782119,9690930477,146665611765,
 2428164153711,44904494549763,820664075440593,
 16238018609968689,350155700132388435,
 7568774583230565567,175171222712837235861,
 4318996957424273510541,107317465474650443023383]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)