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A033138 as a simple table

n a(n)
1 1
2 2
3 4
4 9
5 18
6 36
7 73
8 146
9 292
10 585
11 1170
12 2340
13 4681
14 9362
15 18724
16 37449
17 74898
18 149796
19 299593
20 599186
21 1198372
22 2396745
23 4793490
24 9586980
25 19173961
26 38347922
27 76695844
28 153391689
29 306783378
30 613566756
31 1227133513
32 2454267026

[1,2,4,9,18,36,73,146,292,585,1170,2340,4681,9362,
 18724,37449,74898,149796,299593,599186,1198372,
 2396745,4793490,9586980,19173961,38347922,
 76695844,153391689,306783378,613566756,1227133513,
 2454267026]

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Last modified April 23 13:51 EDT 2024. Contains 371914 sequences. (Running on oeis4.)