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A000055 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 3
6 6
7 11
8 23
9 47
10 106
11 235
12 551
13 1301
14 3159
15 7741
16 19320
17 48629
18 123867
19 317955
20 823065
21 2144505
22 5623756
23 14828074
24 39299897
25 104636890
26 279793450
27 751065460
28 2023443032
29 5469566585
30 14830871802
31 40330829030
32 109972410221
33 300628862480
34 823779631721
35 2262366343746
36 6226306037178

[1,1,1,1,2,3,6,11,23,47,106,235,551,1301,3159,
 7741,19320,48629,123867,317955,823065,2144505,
 5623756,14828074,39299897,104636890,279793450,
 751065460,2023443032,5469566585,14830871802,
 40330829030,109972410221,300628862480,
 823779631721,2262366343746,6226306037178]

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Last modified August 21 08:04 EDT 2018. Contains 313934 sequences. (Running on oeis4.)