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A369102 as a simple table

n a(n)
0 1
1 4
2 26
3 204
4 1772
5 16408
6 158752
7 1585968
8 16235472
9 169423232
10 1795611168
11 19275231872
12 209140483328
13 2289981517312
14 25271472702464
15 280795784911616
16 3138701648319744
17 35270318924758016
18 398215386792574464
19 4515067063939210240
20 51388662166213954560

[1,4,26,204,1772,16408,158752,1585968,16235472,
 169423232,1795611168,19275231872,209140483328,
 2289981517312,25271472702464,280795784911616,
 3138701648319744,35270318924758016,
 398215386792574464,4515067063939210240,
 51388662166213954560]

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Last modified August 25 02:21 EDT 2024. Contains 375418 sequences. (Running on oeis4.)