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A014276 as a simple table

n a(n)
0 0
1 1
2 3
3 15
4 82
5 495
6 3144
7 20874
8 142766
9 1000083
10 7136463
11 51699614
12 379214625
13 2810720045
14 21018835670
15 158389275075
16 1201541422730
17 9168456492986
18 70324572634341
19 541910543713685
20 4193257236992896
21 32568879336517050
22 253822497160605899
23 1984276479881989537
24 15556238037968354214
25 122274773948426045945

[0,1,3,15,82,495,3144,20874,142766,1000083,
 7136463,51699614,379214625,2810720045,21018835670,
 158389275075,1201541422730,9168456492986,
 70324572634341,541910543713685,4193257236992896,
 32568879336517050,253822497160605899,
 1984276479881989537,15556238037968354214,
 122274773948426045945]

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Last modified September 6 14:51 EDT 2024. Contains 375715 sequences. (Running on oeis4.)