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A000129 as a simple table

n a(n)
0 0
1 1
2 2
3 5
4 12
5 29
6 70
7 169
8 408
9 985
10 2378
11 5741
12 13860
13 33461
14 80782
15 195025
16 470832
17 1136689
18 2744210
19 6625109
20 15994428
21 38613965
22 93222358
23 225058681
24 543339720
25 1311738121
26 3166815962
27 7645370045
28 18457556052
29 44560482149
30 107578520350
31 259717522849

[0,1,2,5,12,29,70,169,408,985,2378,5741,13860,
 33461,80782,195025,470832,1136689,2744210,6625109,
 15994428,38613965,93222358,225058681,543339720,
 1311738121,3166815962,7645370045,18457556052,
 44560482149,107578520350,259717522849]

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Last modified November 12 14:35 EST 2019. Contains 329058 sequences. (Running on oeis4.)