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A108729 as a simple table

n a(n)
1 1
2 3
3 7
4 9
5 21
6 27
7 57
8 81
9 111
10 189
11 243
12 333
13 441
14 729
15 777
16 999
17 1161
18 1701
19 2109
20 2187
21 2529
22 2709
23 2763
24 2793
25 2997 

[1,3,7,9,21,27,57,81,111,189,243,333,441,729,777,
 999,1161,1701,2109,2187,2529,2709,2763,2793,2997]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)