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A228792 as a simple table

n a(n)
1 3
2 16
3 97
4 586
5 3588
6 22060
7 135768
8 835776
9 5145232
10 31675616
11 195005248
12 1200515520
13 7390763648
14 45499943936
15 280112449792
16 1724463325696
17 10616356983808
18 65357745761280
19 402363535587328
20 2477080763498496

[3,16,97,586,3588,22060,135768,835776,5145232,
 31675616,195005248,1200515520,7390763648,
 45499943936,280112449792,1724463325696,
 10616356983808,65357745761280,402363535587328,
 2477080763498496]

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Last modified April 19 18:58 EDT 2024. Contains 371798 sequences. (Running on oeis4.)