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A186009 as a simple table

n a(n)
1 1
2 1
3 1
4 2
5 3
6 7
7 12
8 30
9 85
10 173
11 476
12 961
13 2652
14 8045
15 17637
16 51033
17 108950
18 312455
19 663535
20 1900470
21 5936673
22 13472296
23 39993895
24 87986917
25 257978502
26 820236724
27 1899474678
28 5723030586
29 12809477536
30 38036848410
31 84141805077
32 248369601964

[1,1,1,2,3,7,12,30,85,173,476,961,2652,8045,17637,
 51033,108950,312455,663535,1900470,5936673,
 13472296,39993895,87986917,257978502,820236724,
 1899474678,5723030586,12809477536,38036848410,
 84141805077,248369601964]

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Last modified April 19 15:11 EDT 2024. Contains 371794 sequences. (Running on oeis4.)