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A217941 as a simple table

n a(n)
1 2
2 6
3 14
4 32
5 66
6 140
7 282
8 574
9 1156
10 2326
11 4654
12 9348
13 18698
14 37436
15 74904
16 149896
17 299794
18 599780
19 1199562
20 2399448
21 4798996
22 9598556
23 19197114
24 38395584
25 76791200
26 153584626
27 307169622
28 614343808
29 1228687618
30 2457384892
31 4914769786
32 9829557516
33 19659116482
34 39318268388

[2,6,14,32,66,140,282,574,1156,2326,4654,9348,
 18698,37436,74904,149896,299794,599780,1199562,
 2399448,4798996,9598556,19197114,38395584,
 76791200,153584626,307169622,614343808,1228687618,
 2457384892,4914769786,9829557516,19659116482,
 39318268388]

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Last modified November 26 21:15 EST 2022. Contains 358362 sequences. (Running on oeis4.)