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A201534 as a simple table

n a(n)
1 3
2 25
3 111
4 633
5 3354
6 16393
7 72811
8 293831
9 1087857
10 3735546
11 12012530
12 36466979
13 105202136
14 289996482
15 767360174
16 1956720113
17 4824093641
18 11531663892
19 26793101230
20 60636948110
21 133921364986
22 289121431541
23 611037886807

[3,25,111,633,3354,16393,72811,293831,1087857,
 3735546,12012530,36466979,105202136,289996482,
 767360174,1956720113,4824093641,11531663892,
 26793101230,60636948110,133921364986,289121431541,
 611037886807]

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Last modified May 1 17:43 EDT 2024. Contains 372175 sequences. (Running on oeis4.)