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A007147 as a simple table

n a(n)
1 1
2 1
3 2
4 2
5 4
6 5
7 9
8 12
9 23
10 34
11 63
12 102
13 190
14 325
15 612
16 1088
17 2056
18 3771
19 7155
20 13364
21 25482
22 48175
23 92205
24 175792
25 337594
26 647326
27 1246863
28 2400842
29 4636390
30 8956060
31 17334801
32 33570816
33 65108062
34 126355336
35 245492244
36 477284182

[1,1,2,2,4,5,9,12,23,34,63,102,190,325,612,1088,
 2056,3771,7155,13364,25482,48175,92205,175792,
 337594,647326,1246863,2400842,4636390,8956060,
 17334801,33570816,65108062,126355336,245492244,
 477284182]

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Last modified December 15 08:47 EST 2018. Contains 318147 sequences. (Running on oeis4.)