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A118355 as a simple table

n a(n)
1 3
2 4
3 8
4 14
5 28
6 46
7 90
8 160
9 308
10 540
11 1032
12 1846
13 3502
14 6272
15 11852
16 21364
17 40234
18 72694
19 136564
20 247498
21 464070
22 842546
23 1577280
24 2868922
25 5364030
26 9769366
27 18245976
28 33272104
29 62086194
30 113326264
31 211304042
32 386039204
33 719319094
34 1315132086
35 2449100566

[3,4,8,14,28,46,90,160,308,540,1032,1846,3502,
 6272,11852,21364,40234,72694,136564,247498,464070,
 842546,1577280,2868922,5364030,9769366,18245976,
 33272104,62086194,113326264,211304042,386039204,
 719319094,1315132086,2449100566]

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Last modified May 25 20:58 EDT 2020. Contains 334597 sequences. (Running on oeis4.)