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A268700 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 4
5 14
6 46
7 111
8 330
9 1614
10 7348
11 21340
12 98145
13 379405
14 2633085
15 14871033
16 57284558
17 278927415
18 1609313975
19 8289565670
20 74945364815
21 522977754235
22 2403799401259
23 14180489136597
24 83964652635668
25 623008803758260
26 3918144764978718
27 46950727351392315

[1,1,1,3,4,14,46,111,330,1614,7348,21340,98145,
 379405,2633085,14871033,57284558,278927415,
 1609313975,8289565670,74945364815,522977754235,
 2403799401259,14180489136597,83964652635668,
 623008803758260,3918144764978718,
 46950727351392315]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)