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A304128 as a simple table

n a(n)
1 3
2 7
3 9
4 19
5 33
6 53
7 89
8 155
9 261
10 439
11 749
12 1271
13 2149
14 3647
15 6189
16 10487
17 17781
18 30159
19 51133
20 86695
21 147013
22 249279
23 422669
24 716695
25 1215253
26 2060591
27 3493981
28 5924487
29 10045669
30 17033631
31 28882605
32 48973943
33 83041205
34 140806415
35 238754301

[3,7,9,19,33,53,89,155,261,439,749,1271,2149,3647,
 6189,10487,17781,30159,51133,86695,147013,249279,
 422669,716695,1215253,2060591,3493981,5924487,
 10045669,17033631,28882605,48973943,83041205,
 140806415,238754301]

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Last modified February 9 05:05 EST 2023. Contains 360153 sequences. (Running on oeis4.)