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A164047 as a simple table

n a(n)
1 1
2 1
3 2
4 3
5 6
6 10
7 20
8 37
9 73
10 139
11 275
12 533
13 1059
14 2075
15 4126
16 8134
17 16194
18 32058
19 63910
20 126932
21 253252
22 503933
23 1006056
24 2004838
25 4004124
26 7987149
27 15957964
28 31854676
29 63660327
30 127141415
31 254136782
32 507750109

[1,1,2,3,6,10,20,37,73,139,275,533,1059,2075,4126,
 8134,16194,32058,63910,126932,253252,503933,
 1006056,2004838,4004124,7987149,15957964,31854676,
 63660327,127141415,254136782,507750109]

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Last modified August 12 21:10 EDT 2020. Contains 336440 sequences. (Running on oeis4.)