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A068739 as a simple table

n a(n)
1 1
2 2
3 5
4 13
5 31
6 72
7 156
8 337
9 701
10 1452
11 2964
12 6001
13 12108
14 24324
15 48871
16 97988
17 196224
18 392768
19 785946
20 1572353
21 3145554
22 6291980

[1,2,5,13,31,72,156,337,701,1452,2964,6001,12108,
 24324,48871,97988,196224,392768,785946,1572353,
 3145554,6291980]

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Last modified June 23 18:45 EDT 2021. Contains 345402 sequences. (Running on oeis4.)