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A053762 as a simple table

n a(n)
0 1
1 9
2 27
3 82
4 207
5 486
6 1055
7 2205
8 4374
9 8427
10 15696
11 28539
12 50630
13 88119
14 150417
15 252727
16 418068
17 682344
18 1099343
19 1750968
20 2758185
21 4301682
22 6645150
23 10175625
24 15451744
25 23281686
26 34819227
27 51712860
28 76292784
29 111850740
30 162997314

[1,9,27,82,207,486,1055,2205,4374,8427,15696,
 28539,50630,88119,150417,252727,418068,682344,
 1099343,1750968,2758185,4301682,6645150,10175625,
 15451744,23281686,34819227,51712860,76292784,
 111850740,162997314]

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Last modified January 18 16:27 EST 2020. Contains 331011 sequences. (Running on oeis4.)