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A020306 as a simple table

n a(n)
1 9
2 27
3 49
4 81
5 169
6 301
7 481
8 2107
9 3439
10 5461
11 6253
12 6401
13 7107
14 8261
15 10349
16 16609
17 18361
18 23281
19 25351
20 29089
21 46531
22 49051
23 55231
24 58969
25 75851
26 79501
27 113401
28 115231
29 117569
30 119341
31 123139
32 138881
33 146611
34 157753
35 158701
36 188501
37 200911

[9,27,49,81,169,301,481,2107,3439,5461,6253,6401,
 7107,8261,10349,16609,18361,23281,25351,29089,
 46531,49051,55231,58969,75851,79501,113401,115231,
 117569,119341,123139,138881,146611,157753,158701,
 188501,200911]

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Last modified July 12 10:09 EDT 2020. Contains 335657 sequences. (Running on oeis4.)