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A181894 as a simple table

n a(n)
1 0
2 2
3 3
4 4
5 5
6 5
7 7
8 6
9 9
10 7
11 11
12 7
13 13
14 9
15 8
16 16
17 17
18 11
19 19
20 9
21 10
22 13
23 23
24 9
25 25
26 15
27 12
28 11
29 29
30 10
31 31
32 18
33 14
34 19
35 12
36 13
37 37
38 21
39 16
40 11
41 41
42 12
43 43
44 15
45 14
46 25
47 47
48 19
49 49
50 27
51 20
52 17
53 53
54 14
55 16
56 13
57 22
58 31
59 59
60 12
61 61
62 33
63 16
64 20
65 18
66 16
67 67
68 21
69 26

[0,2,3,4,5,5,7,6,9,7,11,7,13,9,8,16,17,11,19,9,10,
 13,23,9,25,15,12,11,29,10,31,18,14,19,12,13,37,21,
 16,11,41,12,43,15,14,25,47,19,49,27,20,17,53,14,
 16,13,22,31,59,12,61,33,16,20,18,16,67,21,26]

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Last modified November 15 11:18 EST 2019. Contains 329144 sequences. (Running on oeis4.)