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A307787 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 5
5 14
6 43
7 140
8 477
9 1683
10 6106
11 22664
12 85735
13 329572
14 1284440
15 5065828
16 20188877
17 81201801
18 329281059
19 1345059602
20 5530600618
21 22876354484
22 95137126194
23 397610249052
24 1669285639455
25 7037395810149
26 29782584966376

[1,1,1,2,5,14,43,140,477,1683,6106,22664,85735,
 329572,1284440,5065828,20188877,81201801,
 329281059,1345059602,5530600618,22876354484,
 95137126194,397610249052,1669285639455,
 7037395810149,29782584966376]

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Last modified May 12 15:35 EDT 2024. Contains 372482 sequences. (Running on oeis4.)