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A243014 as a simple table

n a(n)
0 1
1 1
2 3
3 13
4 61
5 321
6 1951
7 13693
8 109593
9 986401
10 9864091
11 108505101
12 1302061333
13 16926797473
14 236975164791
15 3554627472061
16 56874039553201
17 966858672404673
18 17403456103284403
19 330665665962403981
20 6613313319248079981
21 138879579704209680001

[1,1,3,13,61,321,1951,13693,109593,986401,9864091,
 108505101,1302061333,16926797473,236975164791,
 3554627472061,56874039553201,966858672404673,
 17403456103284403,330665665962403981,
 6613313319248079981,138879579704209680001]

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Last modified August 13 08:18 EDT 2022. Contains 356079 sequences. (Running on oeis4.)