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A018122 as a simple table

n a(n)
0 1
1 2
2 2
3 2
4 3
5 3
6 4
7 5
8 6
9 8
10 9
11 12
12 14
13 18
14 22
15 27
16 34
17 42
18 53
19 66
20 81
21 101
22 126
23 157
24 196
25 243
26 303
27 378
28 470
29 586
30 729
31 909
32 1132
33 1410
34 1756
35 2187
36 2725
37 3394
38 4228
39 5267
40 6561
41 8174
42 10182
43 12684
44 15801
45 19683

[1,2,2,2,3,3,4,5,6,8,9,12,14,18,22,27,34,42,53,66,
 81,101,126,157,196,243,303,378,470,586,729,909,
 1132,1410,1756,2187,2725,3394,4228,5267,6561,8174,
 10182,12684,15801,19683]

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Last modified February 26 06:43 EST 2024. Contains 370335 sequences. (Running on oeis4.)