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A130525 as a simple table

n a(n)
0 1
1 3
2 13
3 63
4 324
5 1733
6 9541
7 53725
8 308085
9 1793528
10 10574165
11 63018105
12 379061652
13 2298508872
14 14035737150
15 86239762294
16 532743452260
17 3305228985864
18 20546951820588
19 127237301998014
20 774257153670067

[1,3,13,63,324,1733,9541,53725,308085,1793528,
 10574165,63018105,379061652,2298508872,
 14035737150,86239762294,532743452260,
 3305228985864,20546951820588,127237301998014,
 774257153670067]

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Last modified March 28 08:02 EDT 2024. Contains 371236 sequences. (Running on oeis4.)