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A168656 as a simple table

n a(n)
1 1
2 1
3 1
4 2
5 2
6 2
7 2
8 3
9 4
10 4
11 5
12 6
13 7
14 7
15 8
16 10
17 11
18 13
19 15
20 18
21 20
22 23
23 25
24 29
25 33
26 36
27 41
28 47
29 53
30 58
31 66
32 74
33 83
34 92
35 103
36 116
37 130
38 144
39 160
40 179
41 199
42 219
43 243
44 269
45 298
46 328
47 362
48 399
49 441
50 484
51 533
52 586
53 645
54 708
55 778
56 854
57 937
58 1026
59 1124
60 1230
61 1347
62 1470
63 1607
64 1756
65 1917
66 2089

[1,1,1,2,2,2,2,3,4,4,5,6,7,7,8,10,11,13,15,18,20,
 23,25,29,33,36,41,47,53,58,66,74,83,92,103,116,
 130,144,160,179,199,219,243,269,298,328,362,399,
 441,484,533,586,645,708,778,854,937,1026,1124,
 1230,1347,1470,1607,1756,1917,2089]

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Last modified July 21 02:02 EDT 2019. Contains 325189 sequences. (Running on oeis4.)