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A257061 as a simple table

n a(n)
1 5
2 27
3 141
4 738
5 3866
6 20249
7 106056
8 555483
9 2909419
10 15238479
11 79813616
12 418034724
13 2189514005
14 11467878868
15 60064583029
16 314596463387
17 1647741976789
18 8630273820766
19 45202238742834
20 236752903766237
21 1240025693431636

[5,27,141,738,3866,20249,106056,555483,2909419,
 15238479,79813616,418034724,2189514005,
 11467878868,60064583029,314596463387,
 1647741976789,8630273820766,45202238742834,
 236752903766237,1240025693431636]

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Last modified February 29 01:30 EST 2020. Contains 332353 sequences. (Running on oeis4.)