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A001384 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 4
5 9
6 19
7 42
8 89
9 191
10 402
11 847
12 1763
13 3667
14 7564
15 15564
16 31851
17 64987
18 132031
19 267471
20 539949
21 1087004
22 2181796
23 4367927
24 8721533
25 17372967
26 34524291
27 68456755
28 135446896
29 267444085
30 527027186
31 1036591718
32 2035083599

[1,1,1,2,4,9,19,42,89,191,402,847,1763,3667,7564,
 15564,31851,64987,132031,267471,539949,1087004,
 2181796,4367927,8721533,17372967,34524291,
 68456755,135446896,267444085,527027186,1036591718,
 2035083599]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)