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A098898 as a simple table

n a(n)
1 21
2 27
3 45
4 63
5 65
6 69
7 81
8 87
9 201
10 207
11 211
12 213
13 218
14 219
15 225
16 231
17 235
18 237
19 238 

[21,27,45,63,65,69,81,87,201,207,211,213,218,219,
 225,231,235,237,238]

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Last modified August 22 21:04 EDT 2024. Contains 375369 sequences. (Running on oeis4.)