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A300939 as a simple table

n a(n)
1 3
2 2
3 5
4 12
5 19
6 47
7 101
8 206
9 411
10 882
11 1851
12 3845
13 7965
14 16694
15 34883
16 72716
17 151521
18 316419
19 660399
20 1377674
21 2873815
22 5997158
23 12513837
24 26109233
25 54474709
26 113665030
27 237165643
28 494844028
29 1032487175
30 2154302515
31 4494977409

[3,2,5,12,19,47,101,206,411,882,1851,3845,7965,
 16694,34883,72716,151521,316419,660399,1377674,
 2873815,5997158,12513837,26109233,54474709,
 113665030,237165643,494844028,1032487175,
 2154302515,4494977409]

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Last modified December 3 20:56 EST 2020. Contains 338920 sequences. (Running on oeis4.)