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A003724 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 5
5 12
6 37
7 128
8 457
9 1872
10 8169
11 37600
12 188685
13 990784
14 5497741
15 32333824
16 197920145
17 1272660224
18 8541537105
19 59527313920
20 432381471509
21 3252626013184
22 25340238127989
23 204354574172160
24 1699894200469849
25 14594815769038848
26 129076687233903673

[1,1,1,2,5,12,37,128,457,1872,8169,37600,188685,
 990784,5497741,32333824,197920145,1272660224,
 8541537105,59527313920,432381471509,3252626013184,
 25340238127989,204354574172160,1699894200469849,
 14594815769038848,129076687233903673]

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)