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A017984 as a simple table

n a(n)
0 1
1 2
2 3
3 3
4 5
5 7
6 9
7 13
8 19
9 27
10 39
11 57
12 81
13 117
14 169
15 243
16 351
17 506
18 729
19 1052
20 1517
21 2187
22 3155
23 4550
24 6561
25 9463
26 13648
27 19683
28 28388
29 40943
30 59049
31 85164
32 122827
33 177147
34 255491
35 368481
36 531441
37 766471
38 1105442
39 1594323
40 2299412
41 3316326
42 4782969
43 6898235

[1,2,3,3,5,7,9,13,19,27,39,57,81,117,169,243,351,
 506,729,1052,1517,2187,3155,4550,6561,9463,13648,
 19683,28388,40943,59049,85164,122827,177147,
 255491,368481,531441,766471,1105442,1594323,
 2299412,3316326,4782969,6898235]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)