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A168542 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 2
5 4
6 5
7 10
8 10
9 20
10 25
11 50
12 52
13 104
14 130
15 260
16 260
17 520
18 650
19 1300
20 1352
21 2704
22 3380
23 6760
24 6770
25 13540
26 16925
27 33850
28 35204
29 70408
30 88010
31 176020
32 176020
33 352040
34 440050
35 880100
36 915304
37 1830608
38 2288260
39 4576520
40 4583290
41 9166580
42 11458225

[1,1,1,2,2,4,5,10,10,20,25,50,52,104,130,260,260,
 520,650,1300,1352,2704,3380,6760,6770,13540,16925,
 33850,35204,70408,88010,176020,176020,352040,
 440050,880100,915304,1830608,2288260,4576520,
 4583290,9166580,11458225]

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Last modified November 19 18:39 EST 2019. Contains 329323 sequences. (Running on oeis4.)