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A271752 as a simple table

n a(n)
1 0
2 1
3 4
4 15
5 59
6 250
7 1145
8 5649
9 29874
10 168509
11 1009215
12 6391484
13 42648083
14 298865333
15 2193219124
16 16811408659
17 134289313167
18 1115559002906
19 9619253991637
20 85950089855573
21 794567157607386
22 7588822028424393
23 74783864494826723
24 759461721024357540

[0,1,4,15,59,250,1145,5649,29874,168509,1009215,
 6391484,42648083,298865333,2193219124,16811408659,
 134289313167,1115559002906,9619253991637,
 85950089855573,794567157607386,7588822028424393,
 74783864494826723,759461721024357540]

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Last modified June 18 11:09 EDT 2024. Contains 373481 sequences. (Running on oeis4.)