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A027432 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 4
5 10
6 25
7 69
8 192
9 562
10 1663
11 5065
12 15592
13 48874
14 154651
15 495418
16 1599816
17 5212650
18 17098590
19 56473664
20 187572584
21 626430568
22 2101977231
23 7084963950
24 23976649328
25 81447876258
26 277627821135
27 949393445553
28 3256266981128
29 11199653726786
30 38620292110925

[1,1,1,2,4,10,25,69,192,562,1663,5065,15592,48874,
 154651,495418,1599816,5212650,17098590,56473664,
 187572584,626430568,2101977231,7084963950,
 23976649328,81447876258,277627821135,949393445553,
 3256266981128,11199653726786,38620292110925]

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Last modified March 22 12:23 EDT 2019. Contains 321421 sequences. (Running on oeis4.)