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A168073 as a simple table

n a(n)
0 1
1 0
2 3
3 3
4 6
5 12
6 27
7 63
8 153
9 381
10 969
11 2505
12 6564
13 17394
14 46533
15 125505
16 340902
17 931716
18 2560401
19 7070337
20 19609146
21 54597852
22 152556057
23 427642677
24 1202289669
25 3389281245
26 9578183391
27 27130207503
28 77009455428
29 219023318406
30 624069834627
31 1781228354487

[1,0,3,3,6,12,27,63,153,381,969,2505,6564,17394,
 46533,125505,340902,931716,2560401,7070337,
 19609146,54597852,152556057,427642677,1202289669,
 3389281245,9578183391,27130207503,77009455428,
 219023318406,624069834627,1781228354487]

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Last modified August 29 17:19 EDT 2024. Contains 375518 sequences. (Running on oeis4.)