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A181080 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 14
5 83
6 774
7 10641
8 255918
9 14643874
10 1752083557
11 320079087261
12 79294841767020
13 27407454296637142
14 16895839815165609994
15 26064121763003372842186
16 82824096391548076720149081

[1,1,2,4,14,83,774,10641,255918,14643874,
 1752083557,320079087261,79294841767020,
 27407454296637142,16895839815165609994,
 26064121763003372842186,
 82824096391548076720149081]

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Last modified July 21 00:40 EDT 2024. Contains 374462 sequences. (Running on oeis4.)