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A052908 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 9
5 19
6 40
7 85
8 180
9 381
10 807
11 1709
12 3619
13 7664
14 16230
15 34370
16 72785
17 154136
18 326412
19 691239
20 1463829
21 3099934
22 6564695
23 13901980
24 29440065
25 62344891
26 132027067
27 279592219
28 592089264
29 1253860704
30 2655286560

[1,1,2,4,9,19,40,85,180,381,807,1709,3619,7664,
 16230,34370,72785,154136,326412,691239,1463829,
 3099934,6564695,13901980,29440065,62344891,
 132027067,279592219,592089264,1253860704,
 2655286560]

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Last modified April 18 15:48 EDT 2024. Contains 371780 sequences. (Running on oeis4.)