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A026010 as a simple table

n a(n)
0 1
1 2
2 4
3 7
4 14
5 25
6 50
7 91
8 182
9 336
10 672
11 1254
12 2508
13 4719
14 9438
15 17875
16 35750
17 68068
18 136136
19 260338
20 520676
21 999362
22 1998724
23 3848222
24 7696444
25 14858000
26 29716000
27 57500460
28 115000920
29 222981435
30 445962870
31 866262915
32 1732525830
33 3370764540

[1,2,4,7,14,25,50,91,182,336,672,1254,2508,4719,
 9438,17875,35750,68068,136136,260338,520676,
 999362,1998724,3848222,7696444,14858000,29716000,
 57500460,115000920,222981435,445962870,866262915,
 1732525830,3370764540]

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Last modified April 24 15:18 EDT 2024. Contains 371960 sequences. (Running on oeis4.)