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A239500 as a simple table

n a(n)
1 0
2 0
3 1
4 0
5 1
6 1
7 1
8 1
9 1
10 2
11 2
12 3
13 2
14 3
15 3
16 4
17 4
18 5
19 5
20 6
21 7
22 8
23 9
24 11
25 12
26 13
27 15
28 16
29 18
30 20
31 22
32 24
33 27
34 29
35 32
36 36
37 39
38 43
39 48
40 53
41 58
42 65
43 70
44 78
45 85
46 93
47 101
48 112
49 120
50 132
51 143
52 156
53 168
54 184
55 198
56 216
57 233
58 253
59 273
60 298
61 320
62 348
63 376
64 407
65 439

[0,0,1,0,1,1,1,1,1,2,2,3,2,3,3,4,4,5,5,6,7,8,9,11,
 12,13,15,16,18,20,22,24,27,29,32,36,39,43,48,53,
 58,65,70,78,85,93,101,112,120,132,143,156,168,184,
 198,216,233,253,273,298,320,348,376,407,439]

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Last modified September 16 22:04 EDT 2024. Contains 375979 sequences. (Running on oeis4.)