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A292215 as a simple table

n a(n)
0 0
1 1
2 1
3 2
4 5
5 12
6 33
7 90
8 261
9 766
10 2311
11 7065
12 21955
13 68921
14 218640
15 699161
16 2252410
17 7301482
18 23802026
19 77973162
20 256565366
21 847555502
22 2809934472
23 9346232579
24 31179372180
25 104298865434
26 349766936468
27 1175657140783
28 3960143985167
29 13366048810561

[0,1,1,2,5,12,33,90,261,766,2311,7065,21955,68921,
 218640,699161,2252410,7301482,23802026,77973162,
 256565366,847555502,2809934472,9346232579,
 31179372180,104298865434,349766936468,
 1175657140783,3960143985167,13366048810561]

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Last modified April 19 10:45 EDT 2019. Contains 322255 sequences. (Running on oeis4.)