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A238091 as a simple table

n a(n)
1 1
2 4
3 9
4 18
5 31
6 33
7 39
8 56
9 58
10 94
11 96
12 103
13 156
14 239
15 245
16 253
17 255
18 257
19 275
20 277
21 420
22 610
23 788
24 790
25 792
26 1070
27 1665
28 1667
29 1669

[1,4,9,18,31,33,39,56,58,94,96,103,156,239,245,
 253,255,257,275,277,420,610,788,790,792,1070,1665,
 1667,1669]

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Last modified December 6 22:42 EST 2021. Contains 349567 sequences. (Running on oeis4.)