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A018120 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 3
6 3
7 4
8 5
9 7
10 9
11 11
12 13
13 17
14 21
15 27
16 33
17 41
18 52
19 65
20 81
21 100
22 125
23 156
24 195
25 243
26 302
27 377
28 469
29 585
30 729
31 908
32 1131
33 1409
34 1755
35 2187
36 2724
37 3393
38 4227
39 5266
40 6561
41 8173
42 10181
43 12683
44 15800
45 19683

[1,1,1,1,2,3,3,4,5,7,9,11,13,17,21,27,33,41,52,65,
 81,100,125,156,195,243,302,377,469,585,729,908,
 1131,1409,1755,2187,2724,3393,4227,5266,6561,8173,
 10181,12683,15800,19683]

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Last modified May 26 04:43 EDT 2022. Contains 354074 sequences. (Running on oeis4.)