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A198685 as a simple table

n a(n)
1 3
2 6
3 9
4 16
5 21
6 31
7 44
8 57
9 77
10 94
11 113
12 135
13 155
14 183
15 205
16 237
17 279
18 312
19 347
20 389
21 405
22 463
23 507
24 593
25 607
26 643
27 699 

[3,6,9,16,21,31,44,57,77,94,113,135,155,183,205,
 237,279,312,347,389,405,463,507,593,607,643,699]

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Last modified April 19 17:51 EDT 2024. Contains 371797 sequences. (Running on oeis4.)