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A097813 as a simple table

n a(n)
0 1
1 2
2 6
3 16
4 38
5 84
6 178
7 368
8 750
9 1516
10 3050
11 6120
12 12262
13 24548
14 49122
15 98272
16 196574
17 393180
18 786394
19 1572824
20 3145686
21 6291412
22 12582866
23 25165776
24 50331598
25 100663244
26 201326538
27 402653128
28 805306310
29 1610612676
30 3221225410
31 6442450880
32 12884901822
33 25769803708

[1,2,6,16,38,84,178,368,750,1516,3050,6120,12262,
 24548,49122,98272,196574,393180,786394,1572824,
 3145686,6291412,12582866,25165776,50331598,
 100663244,201326538,402653128,805306310,
 1610612676,3221225410,6442450880,12884901822,
 25769803708]

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Last modified June 2 17:45 EDT 2024. Contains 373045 sequences. (Running on oeis4.)