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A186840 as a simple table

n a(n)
1 512
2 2688
3 2688
4 14112
5 19904
6 14112
7 74088
8 147428
9 147428
10 74088
11 324576
12 1075071
13 1537476
14 1075071
15 324576
16 1421952
17 6019798
18 15478835
19 15478835
20 6019798
21 1421952
22 6229504
23 33731024
24 111211414
25 209888936
26 111211414
27 33731024

[512,2688,2688,14112,19904,14112,74088,147428,
 147428,74088,324576,1075071,1537476,1075071,
 324576,1421952,6019798,15478835,15478835,6019798,
 1421952,6229504,33731024,111211414,209888936,
 111211414,33731024]

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Last modified November 17 23:26 EST 2019. Contains 329242 sequences. (Running on oeis4.)