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A287661 as a simple table

n a(n)
1 1
2 9
3 27
4 45
5 105
6 135
7 225
8 405
9 315
10 675
11 177147
12 1155
13 945
14 3375
15 1575
16 6075
17 2835
18 10125
19 18225
20 3465
21 4725
22 30375
23 50625
24 11025
25 25515
26 91125
27 14175
28 10395
29 23625
30 273375
31 1476225
32 17325
33 33075
34 759375
35 50031545098999707
36 31185
37 70875
38 1366875
39 127575

[1,9,27,45,105,135,225,405,315,675,177147,1155,
 945,3375,1575,6075,2835,10125,18225,3465,4725,
 30375,50625,11025,25515,91125,14175,10395,23625,
 273375,1476225,17325,33075,759375,
 50031545098999707,31185,70875,1366875,127575]

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Last modified March 30 19:28 EDT 2020. Contains 333127 sequences. (Running on oeis4.)