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A026622 as a simple table

n a(n)
0 1
1 2
2 5
3 12
4 26
5 54
6 110
7 222
8 446
9 894
10 1790
11 3582
12 7166
13 14334
14 28670
15 57342
16 114686
17 229374
18 458750
19 917502
20 1835006
21 3670014
22 7340030
23 14680062
24 29360126
25 58720254
26 117440510
27 234881022
28 469762046
29 939524094
30 1879048190
31 3758096382
32 7516192766

[1,2,5,12,26,54,110,222,446,894,1790,3582,7166,
 14334,28670,57342,114686,229374,458750,917502,
 1835006,3670014,7340030,14680062,29360126,
 58720254,117440510,234881022,469762046,939524094,
 1879048190,3758096382,7516192766]

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)