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A340361 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 5
5 14
6 42
7 133
8 440
9 1510
10 5347
11 19459
12 72561
13 276616
14 1076236
15 4268236
16 17238623
17 70858091
18 296293158
19 1260044245
20 5449129205
21 23962691920
22 107160352895
23 487379459886
24 2254710459801
25 10611155135759
26 50808249311687
27 247538711398811

[1,1,1,2,5,14,42,133,440,1510,5347,19459,72561,
 276616,1076236,4268236,17238623,70858091,
 296293158,1260044245,5449129205,23962691920,
 107160352895,487379459886,2254710459801,
 10611155135759,50808249311687,247538711398811]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)