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A027945 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 7
5 12
6 26
7 51
8 92
9 176
10 365
11 709
12 1300
13 2587
14 5270
15 10220
16 18955
17 38403
18 77533
19 150438
20 281403
21 575333
22 1155661
23 2245004
24 4227273
25 8684673
26 17390359
27 33828704
28 64250459
29 131901368
30 263589730
31 513445147
32 984880747

[1,1,2,4,7,12,26,51,92,176,365,709,1300,2587,5270,
 10220,18955,38403,77533,150438,281403,575333,
 1155661,2245004,4227273,8684673,17390359,33828704,
 64250459,131901368,263589730,513445147,984880747]

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Last modified May 20 03:10 EDT 2019. Contains 323412 sequences. (Running on oeis4.)