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A030933 as a simple table

n a(n)
1 1
2 2
3 6
4 25
5 129
6 777
7 5442
8 43543
9 391895
10 3918955
11 43108507
12 517302088
13 6724927152
14 94148980136
15 1412234702043
16 22595755232690
17 384127838955741
18 6914301101203342
19 131371720922863503
20 2627434418457270066

[1,2,6,25,129,777,5442,43543,391895,3918955,
 43108507,517302088,6724927152,94148980136,
 1412234702043,22595755232690,384127838955741,
 6914301101203342,131371720922863503,
 2627434418457270066]

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Last modified July 30 19:14 EDT 2024. Contains 374771 sequences. (Running on oeis4.)