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A197459 as a simple table

n a(n)
1 1
2 1
3 3
4 4
5 12
6 27
7 78
8 208
9 635
10 1859
11 5726
12 17526
13 54620
14 170479
15 536714
16 1694567
17 5376764
18 17110286
19 54631302
20 174879997
21 561229678
22 1805022806 

[1,1,3,4,12,27,78,208,635,1859,5726,17526,54620,
 170479,536714,1694567,5376764,17110286,54631302,
 174879997,561229678,1805022806]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)