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A297618 as a simple table

n a(n)
1 1
2 2
3 5
4 12
5 26
6 54
7 110
8 226
9 462
10 942
11 1908
12 3850
13 7752
14 15614
15 31416
16 63150
17 126964
18 254870
19 511086
20 1024796
21 2053960
22 4116976 

[1,2,5,12,26,54,110,226,462,942,1908,3850,7752,
 15614,31416,63150,126964,254870,511086,1024796,
 2053960,4116976]

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)